Nippon Steel Data s001en

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Nippon Steel Data s001en

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  • Notice: While every effort has been made to ensure the accuracy of the information contained within this publication, the use of the information is at the reader s risk and no warranty is implied or expressed by Nippon Steel & Sumitomo Metal Corporation with respect to the use of the information contained herein. The information in this publication is subject to change or modification without notice. Please contact the Nippon Steel & Sumitomo Metal Corporation office for the latest information. Please refrain from unauthorized reproduction or copying of the contents of this publication.The names of our products and services shown in this publication are trademarks or registered trademarks of Nippon Steel & Sumitomo Metal Corporation , affiliated companies, or third parties granting rights to Nippon Steel & Sumitomo Metal Corporation or affiliated companies. Other product or service names shown may be trademarks or registered trademarks of their respective owners.

    1 2

    Product Corresponding Standards Reference List of World Manufacturers' Alloys

    NSSMC Standard Number Features Density ASTM BS DIN/SEW AMS JIS Remarks Haynes VDM Creusot-Loire Sandvik Uddeholm AvestaSpecialMetals Carpenter Remarks

    Invar Alloy NSSMC-NAR-E-360 3 Fe-36% nickel alloy, featuring a lower thermal-expansion coefficient. 8.2 PD

    Corrosion Resistance Alloys

    NICKEL

    -BASE

    Alloys

    NSSMC-NAR-N201 4 Pure nickel for industrial use, with high corrosion resistance, excellent high temperature strength and low temperature toughness. 8.89 B162 UNS N02201 NW2201

    NSSMC-NAR-66NEL 5 Nickel-copper alloy highly resistant to sea water, alkalis and fluoric acid. 8.83 B127 UNS N04400 NA13 2.4360 4544 NCuPNickel Alloy

    400 NicorrosMonel Alloy

    400

    NSSMC-NAR-25-50MTi(NSSMC-NAR-B) 6

    Super corrosion resistant, high quality alloy with good weldability fabrication properties. 8.20 B582 UNS N06975

    IRON-BASE

    Alloys / STA

    INLE

    SS STE

    EL

    NSSMC-NAR-HCR-18 7 Austenitic stainless steel, highly resistant to sulfer dewpoint corrosion and sulfuric acid corrosion. 7.98

    NSSMC-NAR-825 8 High quality alloy with excellent resistance to mixed acid sulfuric and phosphoric acid and to stress corrosion cracking. 8.14 B424 UNS N08825 NA16 2.4858 NCF825Nickel Alloy

    825Nicrofer4221 Alloy 825

    Incoloy Alloy825

    NSSMC-NAR-20-3 9 High nickel stainless steel with excellent resistance to sulfuric and to stress corrosion cracking. 8.05A240 UNS N08020B463 UNS N08020

    Nicrofer3620 20Cb3

    NSSMC-NAR-20-25MTi(NSSMC-NAR-A) 10

    High nickel austenitic stainless steel highly resistant to pitting water. 8.05 B620 UNS N08320

    HastelloyM-532

    JessopJS700

    NSSMC-NAR-AC-3 11 Super austentic stainless steel excellent resistant to sea water. 8.06 B625 UNS N08925 SUS836L

    NSSMC-NAR-AC-4 11 Super austentic stainless steel excellent resistant to sea water. 8.05

    NSSMC-NAR-20-25LMCu 13 High nickel stainless steel with excellent resistance to corrosion and pitting. 8.05 A240 UNS N08904 1.4539 SUS890LAlloy

    No.904LCronifer1925LC UranusB6 2RK 65

    UHBStainless904L 254SLX Alloy904L

    NSSMC-NAR-310ELC 14 Extremely low carbon 25Cr-20Ni steel with resistance to temperature and highly concentrated alkali conditions. 8.03

    NSSMC-NAR-SN-1 15 Stainless steel resistant to concentrated nitric acid. 7.68

    NSSMC-NAR-SN-3 15 Stainless steel resistant to concentrated nitric acid. 7.64

    NSSMC-NAR-SN-5 15 Duplex stainless steel resistant to concentrated nitric acid. 7.80

    NSSMC-NAR-DP-3 17 Duplex stainless steels suited for uses in chloride solutions and/or sea water. 7.80 A240 UNS S31260 SUS329J4L Uranus 52

    NSSMC-NAR-DP-8 17 Duplex stainless steels suited for uses in chloride solutions. 7.80 A240 UNS S31803 1.4462 SUS329J3L Cronifer2205LCNUranus 45N SAF 2205 2205

    NSSMC-NAR-DP-12 17 Duplex stainless steels suited for uses in Urea plants. 7.80 A240 UNS S31260 SUS329J4L Uranus 52

    NSSMC-NAR-F 17 Duplex stainless steels suited for uses in chloride solutions. 7.80 A240 UNS S32900 1.4460 SUS329J1 10RE21 44LN 453S

    NSSMC-NAR-DP-3N 19 Excellent corrosion resistant, duplex stainless steel use in chloride solutions and/or hot-sea water. 7.80 A240 UNS S31260 SUS329J4L Uranus 52

    NSSMC-NAR-DP-3W 19 Excellent corrosion resistant, Super duplex stainless steel use in chloride solutions and/or hot-sea water. 7.94 A240 UNS S39274

    NSSMC-NAR-DP-28W 20 Exellent corrosion resistance, duplex stainless suited for use in urea-carbamete. 7.86 A240 UNS S32808

    Hea

    t Resistance Alloys NICKEL-

    BASE

    Allo

    ys NSSMC-NAR-600 21Nickel base alloy resistant to corrosion caused by temperature alkali or water as well as to oxidation. 8.42 B168 UNS N06600 NA14 2.4816 5540 NCF600

    Nickel Alloy600

    Nicrofer7216,7216H

    SANICRO 71

    Inconel Alloy 600

    Pyromet600

    NSSMC-NAR-601 22 Nickel-based alloy with excellent resistance to high temperature oxidation and scaling. 8.10 B168 UNS N06601 2.4851 5870 NCF601Nicrofer6023

    Inconel Alloy 601

    IRON-BASE

    Alloys /

    STAINLE

    SS STE

    EL NSSMC-NAR-800 23

    Heat resistant alloy with remarkable strength under temperature. Resistant to carburization, nitriding and oxidation. 8.02

    A240 UNS N08800B409 UNS N08800 NA15 1.4876 5871 NCF800

    Nickel Alloy800

    Nicrofer3220

    SANICRO 31

    Incoloy Alloy 800

    Pyromet800

    NSSMC-NAR-800H 23 Heat resistant alloy with remarkable strength under temperature. Resistant to carburization, nitriding and oxidation. 8.02A240 UNS N08810B409 UNS N08810 1.4876 NCF800H

    Nickel Alloy800H

    Nicrofer3220H

    SANICRO 31

    Incoloy Alloy 800H

    NSSMC-NAR-AH-1 24 Austenitic stainless steel, specifically developed for uses corrosive environments at higher temperatures. 7.93

    NSSMC-NAR-AH-4 25 Heat-resistant austenitic stainless steel with excellent mechanical properties at high temperature. 7.88 A240 UNS S31060

    NSSMC-NAR-AH-7 26 Heat-resistant austentic stainless steel with exellent mechanical properties and oxidation resistance of high temperature and high humidity. 7.78

    Note:Hastelloy is a trademark of Haynes International Inc.; Cronifer, Nicrofer, and Nicorros are trademarks of ThyssenKrupp VDM; Uranus is a trademark of Creusot-Loire Industrie; SAF2205 and SANICRO are trademarks of Sandvik Inc.; Incoloy, Inconel and Monel are trademarks of Special Metals Corp.; Carpenter and Pyromet are trademarks of Carpenter Technology Corp.; UHB is a trademark of Uddeholm Steel AB; JS700 is a trademark of Jessop Steel Company.

  • 3 4

    Pure nickel for industrial use, with high corrosion resistance and excellent high temperature strength and low temperature toughness. Nickel 201, JIS NW2201ASTM(ASME) UNS N02201

    plate, sheet, strip

    Soda and food processing equipment, heat exchanger, and electronic tuberechargeable batteries

    1. Highly resistance to sea water.2. Highly resistance to pitting, crevice corrosion and stress corrosion cracking due to chlorides.3. Applicable under reducing and oxidizing atomosphere.4. Resistance to alkali. Shows particularly high corrosion resistance to caustic soda.

    0.020.070.5

    300600

    1,219

    1,000 2,000 3,000

    1,524

    2.0

    3.0

    30.0

    Widthmm

    Thicknessmm

    C max Si Mn Ni Cu Fe

    0.02 0.1 0.2 99.5 0.01 0.15

    Annealed 0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation

    Annealed 80177 345401 4054

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    2.5350

    300

    250

    200

    150

    100

    50

    0

    2

    1.5

    1

    0.5

    00 20 40 60 80 100 10 20 30

    30

    HCI (%)NaOH (%)

    mm/y

    Temperature ()

    Corrosion rate of NSSMC-NAR-N201in hydrochloric acid.

    Iso-corrosion rate curve of NSSMC-NAR-N201in caustic soda (mm/y)

    40

    1.25

    0.25

    0.025

    0.025

    0.025

    0.0250.25

    0.251.25

    No air (N2 saturation)5m/min, for 48 hrs.

    Boiling point curve

    Melting point curve

    Air saturation7m/min, for 24 hrs.

    1. Very low thermal expansion coefficient at lower to room temperatures (approx. 10% that of SUS304).2. Highly stable austenitic structure with soft and minimum work hardening features, contributing to a higher malleability.

    3.0

    1,000 2,000 3,000

    0.3

    30.0

    1,000

    Widthmm

    Thicknessmm

    1,524

    30.0

    Fe-36% nickel alloy, featuring a lower thermal expansion coefficient.

    plate, sheet, strip

    Precision Equipment and Instruments, Bimetals, LNG Containers

    CHEMICALCOMPOSITION(typical example: %)

    PHYSICALPROPERTY

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    NSSMC StandardNSSMC-NAR-E-360Invar Alloy

    NSSMC StandardNSSMC-NAR-N201

    C max Ni+Co

    0.030 36

    Coefficient of Thermal Expansion10-6/

    2.020 100

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    240304 440 550461 3037 65 8272

    400

    18

    16

    14

    12

    10

    8

    6

    4

    2

    0

    300

    200

    1000 10 20 30

    Cold Rolling Ratio (%)

    Temperature ()

    Hardness (Hv)

    Coecient of Thermal Expantion (10

    6/)

    Varying hardness with cold rolling ratioThermal expansion coefficientsagainst temperatures

    40 50 600

    200

    0 0 30 30 30 30 30?

    100

    ?

    100

    ?

    300

    ?

    200

    ?

    400

    ?

    500

    ?

    SUS304

    SUS304

    E360

    E360

  • 5 6

    High quality alloy with super corrosion resistant and good weldability and fabrication properties. ASTM(ASME) UNS N06975

    plate, sheet

    Chemical equipment for high concentration chlorides, sea water equipment, pollution prevention plants, equipment for acid and alkali reaction, heat exchangers for highly corrosive chemicals

    1. Highly resistance to acids and alkalis, as well as to various types of local corrosion.2. Completely immune to stress corrosion cracking by chlorides.3. Highly resistance to pitting and crevice corrosion in high temperature salt water and chloride solutions.4. Good weldability, excellent corrosion resistance of heat-affected zone.

    3.0

    1,000 2,000 3,000

    1,524

    30.0

    Widthmm

    Thicknessmm

    C max Cr Ni Mo Cu Ti

    0.03 25 50 6 1 1

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    205 345326 640 740688 4555 8785

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    0.5

    0.4

    0.3

    0.2

    0.1

    0.90

    0.80

    0.70

    0.60

    0.50

    0.40

    0.30

    0.20

    0.10

    0

    0 20 40 60 80 1000.10 0

    Solution

    120min

    Heating duration

    3min

    30min

    Sensitizing temperature ()

    Heat sensitizing test using a solutionof 10% HNO3, and 3% HF at 60

    Temperature ()

    SUS316

    20-25MTi

    25-50MTi

    Pitting potential-temperature curve in0.5M NaCl solutions

    Corrosion rate (g/m

    2 h)

    Pitting potential Vc' (vs. SCE)

    650 700 800 900 1050

    Nickel-copper alloy with high resistant to sea water, alkalis and fluoric acid.ASTM(ASME) UNS N04400

    plate, sheet

    Sea water desalination and other marine use facilities, chemical processing equipments, oil refinery equipment, paper pulp manufacturing equipment

    1. Resistance to sea water.2. Highly resistance to pitting, crevice corrosion and stress corrosion cracking by chlorides.3. Excellent resistance to acids, especially to hydrofluoric acid and fluoric gas.4. Highly resistance to alkalis. Corrosion resistance to caustic soda of concentration up to 70%.5. Highly well ductile, fabricability and machinability.

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    C max Si max Mn Ni Cu Fe

    0.3 0.5 1 66 Bal. 1

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    165282 490549 3543 65 9074

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    100

    75

    50

    25

    00 10

    0.1

    HCI (%)

    Iso-corrosion rate curve in sulfulic and hydrochloric acid solutions (mm/y)

    H2SO4 (%)

    Temperature ()

    1.0

    0.5

    b.p

    20 30 40

    150

    100

    75

    125

    50

    25

    00 20

    0.1Temperature ()

    1.0

    0.5

    b.p

    40 60 80 100

    NSSMC StandardNSSMC-NAR-66NEL

    NSSMC StandardNSSMC-NAR-25-50MTi, NSSMC-NAR-B

  • 7 8

    plate, sheet

    Phosphoric acid manufacturing plant, acid bath equipment parts, chemical equipment, heating element

    1. Excellent resistance to various types of corrosion.2. Immune to stress corrosion cracking by chloride ions because of the high nickel content.

    Molybdenum and copper increases the resistance to non oxidizing acids, and chromium to oxidizing acids.3. Extremely resistance to corrosion by sulfuric acid, phosphoric acid and sea water.4. Resistance to pitting and intergranular corrosion even aftersensitizing treatment (650 760 ).

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    High quality alloy with excellent resistance to mixed acid of sulfuric and phosphoric and to stress corrosion cracking.ASTM(ASME) UNS N08825

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C max Cr Ni Mo Cu Ti Al

    0.05 21 42 3 2.2 1 0.05

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    235379 580668 3047 9681

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    Austenitic stainless steel with high resistant to sulfer dewpoint corrosion and sulfuric acid corrosion.

    plate, sheet, strip

    1. Exhaust gas equipments (ex. boiler etc.) that burns sulfer containing fuels

    2. Sulfuric acid manufacutuaring equipment

    3. Exhaust gas desulfurizer4. Lining of chimney

    1. Excellent corrosion resistance to sulfuric acid solution equal to high Cr-Ni alloys. 2. Performance more than the equal to SUS316L for a local corrosion by chlorides.3. Good weldability as well as current austenitic stainless steel, using welding consumables Inconel 625 or Hastelloy C-276.

    0.8

    1,000 2,000 3,000

    1,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    C max Cr Ni Mo Cu N max

    0.03 18.8 15.6 3.4 4.2 0.045

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    175295 480539 3543.6 9082

    HCR-18

    SS400

    CR1A

    SUS316L

    NCF825

    HCR-18

    SS400

    CR1A

    SUS316L

    NCF825

    HCR-18

    SS400

    CR1A

    SUS316L

    NCF825

    40

    30

    20

    10

    0

    10

  • 9 10

    High nickel austenitic stainless steel with high resistance to pitting and sea water.ASTM (ASME) UNS N08320

    plate, sheet

    Various types of sea water equipment, pollution-prevention plants, equipment for handling acids and alkalis, heat exchangers

    1. Highly resistance to pitting and crevice corrosion by sea water and hot concentrated, salt solution.2. Strong passivating tendency and excellent corrosion resistance in various types of chemical processes using phosphoric, fluoric, acetic and other acids.3. Remarkably resistance to corrosion in high concentration alkali solutions.4. Fabrication and welding readily, with little deterioration of corrosion resistance.

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C max Cr Ni Mo Ti

    0.05 22 26 5 0.3

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    195315 540589 3550 71 9085

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C max Cr Ni Mo Cu Nb min

    0.07 20 33 2.5 3 C8

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    245327 550625 3044 9583

    High nickel stainless steel with excellent resistance to sulfuric acid and to stress corrosion cracking.ASTM (ASME) UNS N08020

    plate, sheet

    Chemical processing equipment, stack-smoke desulfurization equipment, pulp processing machinery, sea water desalination equipment, nuclear fuel waste disposal equipment

    1. Excellent corrosion resistance to sulfuric acid solution. NSSMC-NAR-20-3 is strongly resistance to stress corrosion cracking by hot sulfuric acid solution.2. Highly resistance to nitric, phosphoric and various organic acids.3. Excellent resistance to alkalis. Resists to 50% caustic soda up to the boiling point.4. Excellent resistance to sea water.

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    1.0

    1.0

    0.5

    0.1

    b.p

    0.8

    0.6

    0.4

    0.2

    0

    0 20 40 60

    Time (Hr)

    H2SO4 (%)

    Corrosion rate (g/m2 h)

    Temperature ()

    80 100 120

    Corrosion rate-time curves in 3% H2SO4 at 100Iso-corrosion rate curve of NSSMC-NAR-20-3in sulfuric acid solution (mm/y)

    140

    120

    100

    80

    60

    40

    20

    00 20 40 60 80 100

    0.800.90

    0.80

    0.70

    0.60

    0.50

    0.40

    0.30

    0.20

    0.10

    0

    0.10

    0.60

    0.40

    0.20

    0

    0.20

    00 20 40 60 80 100

    1 2 3 4 5 6Mo (%)

    Temperature ()

    SUS 316

    SUS 304

    20-25MTi

    Pitting potential Vc' (vs. SCE)

    Pitting potential Vc' (vs. SCE)

    Relationship between potential forpitting of welded portion and surfacetreatment. 0.6N NaCl, 80, pH = 3

    Pitting voltage-temperature curve in0.5M NaCl solutions

    Parent material 21 Cr-25Ni-MoWelding metal, acid washWelding metal, 03# GrindingWelding metal, Welding only

    NSSMC StandardNSSMC-NAR-20-3

    NSSMC StandardNSSMC-NAR-20-25MTi, NSSMC-NAR-A

  • 11 12

    plate, sheet

    Sea water heat exchanger, Desalinization of sea water plant, Salt manufacture equipment, Paper manufacturing plant, Pulp bleaching equipment, Exhaust gas desulfurizer, Acid-proof apparatus, Various types of equipment for handling acids (Chloride environment)

    1. Excellent resistance to sea water. Pitting corrosion in hot sea water is more excellent than duplex stainless steel : SUS329J4L.2. Excellent resistance to acids, and stress corrosion cracking by chlorides is more excellent than SUS316.3. Higher mechanical strength than SUS316.4. Good weldability as well as current austenitic stainless steel, using welding consumables Inconel 625 or Hastelloy C.

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C max Cr Ni Mo Cu N JIS Spec. ASTM Spec.

    NSSMC-NAR-AC-3 0.02 20.0 25.0 6.2 1.0 0.14 SUS836L UNS N08925

    NSSMC-NAR-AC-4 0.03 23.0 21.0 6.1 0.25

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    NSSMC-NAR-AC-3 245325 590673 4058 9483

    NSSMC-NAR-AC-4 300372 650735 3548 10090

    Super austenitic stainless steel suited for use chloride solutions and/or sea water.

    6

    41.0

    0.8

    0.6

    0.4

    0.2

    0

    2

    00 0.1

    N (%)Temperature ()

    C-276625

    29-4254SMO

    20-25-6

    25-4-4

    20-25-4.5-Cu255

    20-25-5DP3(329J4L)

    447J1

    825

    316L444

    DP8(329J3L)XM27

    329J1

    DP1(18-5-3)

    (Double-U-bend test piece, Aerated synthetic sea waterconcentrated 4 times, 125, 720h)

    Effect of N contents on crevice corrosionElectrode potential for pitting corrosion in20000 ppm cl- solution

    Cr3Mo10N (%)Pitting corrosion potential of various stainless steels and high Cr-Ni alloys

    (Sythetic sea water: ASTM-D-1141, Deaerated 80, 20mV/min.)

    Crevice Corrosion Loss (mg)

    Pitting Corrosion Potential (vs. SCE)

    Pitting Corrosion Potential (vs. SCE)

    Base metal

    weld metal(Weld Material: Inconel 625)

    22Cr-25Ni-5.5Mo-0.8Cu-N(%)

    0.29080706050 0.3

    AC-4AC-3DP-3SUS 316L

    1.0

    0.8

    0.6

    0.4

    0.2

    0

    20 30 40 50 70

    : Austenite

    : Duplex (Cr)-(Ni)-(Mo)

    : FerriteAC-3

    AC-4

    Chemical composition of welding materials for NSSMC-NAR-AC-3 and NSSMC-NAR-AC-4 (%)

    ASTM UNS No.Nb TaWFeMoCrNiWelding consumables

    N066254 5922BAL.Inconel 625

    N06022341322BAL.Hastelloy C-22

    N10276451616BAL.Hastelloy C-276

    NSSMC StandardNSSMC-NAR-AC-3, AC-4

  • 13 14

    High nickel stainless steel with excellent resistance to acid corrosion and pitting. ASTM(ASME) UNS N08904

    Chemical processing equipment, sea water desalination plant, stack-smoke desulfurization, waste incineration, sewage disposal and other anti-pollution plants

    1. Greater resistance to sulfuric acid, phosphoric acid, acetic acid and other nonoxidizing acids than Type 316 and Type 317.2. Highly resistance to pitting, crevice corrosion and stress corrosion cracking due to chlorides.3. Excellent resistance to sea water.4. Good fabricability and weldability.

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    Extremely low carbon 25Cr-20Ni alloy with resistance to high temperature and alkalis.

    plate, sheet, strip

    Various brine electrolytic bath, caustic soda manufacturing equipment, nitric acid manufacturing plant, and various nitric acid processing equipment

    1. High corrosion resistance to high concentrated alkali solutions at high temperature and excellent resistance to stress corrosion cracking.2. Strong resistance to intergranular corrosion in highly concentrated nitric solutions.

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    0.3 1,219

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C max Cr Ni Mo Cu

    0.02 20 25 4.5 3

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    215298 490559 3550 71 9078

    plate, sheet

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C max Si Mn Cr Ni

    0.02 0.6 1.4 25 20

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    175303 480559 4046 9083

    120

    100

    80

    60

    40

    20

    0.1

    Iso-corrosion rate curve in sulfulic and hydrochloric acid solutions (mm/y)

    0.1

    0.5

    0.5

    HCI (%)H2SO4 (%)

    1.0

    1.0

    b.p

    b.p

    0

    0

    120

    140

    100

    80

    60

    40

    20

    0

    0 20 40 60 80 100 10 20 30 40

    Temperature ()

    Temperature ()

    120

    100

    80

    60

    40

    0.8

    0.6

    0.4

    0.2

    0

    50 60 700 10 20 30 40 50HNO3 (%)NaOH (%)

    Temperature ()

    Corrosion rate (g/m

    2 h)

    Corrosion rate curve in nitric acidCorrosion rate curve in caustic soda (boiled)

    80 90

    SUS 304L310 ELC

    0.1g/m2h

    310ELC

    SUS304L

    b.p

    NSSMC StandardNSSMC-NAR-20-25-LMCu

    NSSMC StandardNSSMC-NAR-310ELC

  • 15 16

    Stainless steel resistant to nitric acidNew materials developped jointry by Sumitomo Chemical Co., Ltd.

    STEEL TYPESNSSMC-NAR-SN-1Excellent corrosion resistance against all concentrations of nitric acid, includingconcentrated nitric acid below 60 .

    NSSMC-NAR-SN-3Higher resistance to corrosion by boiling nitric acid over 85% concentration.

    NSSMC-NAR-SN-5Duplex stainless steel, featuring higher strength and also excellent resistance to medium concentration nitric acid.

    plate, sheet

    NSSMC-NAR-SN-1Nitric acid manufacturing plants, 98% Nitric acid storage and transportation tanks. Nitric and sulfuric acid mixture storage tanks

    NSSMC-NAR-SN-3Heat exchangers for concentrated nitric acid

    NSSMC-NAR-SN-5Heat exchangers for medium concentration nitric acid, and related towers

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C max Si Mn Cr Ni N Other Elements

    NSSMC-NAR-SN-1 0.02 4.3 1.0 17 14.0 Nb add

    NSSMC-NAR-SN-3 0.02 6.0 0.7 11 16.5 Ti:0.1, Zr:0.5

    NSSMC-NAR-SN-5 0.02 0.6 1.0 27 8.4 0.10

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHB

    NSSMC-NAR-SN-1 245328 590718 4057 149 241188

    NSSMC-NAR-SN-3 245329 590738 4057 149 241183

    NSSMC-NAR-SN-5 390560 590751 1833 277228

    120

    100

    80

    60

    120

    100

    80

    60

    4040 50 60 70 80 90

    200

    0.1

    0.51

    Liquidus

    Corrosion rate (mm/year) diagram ofNSSMC-NAR-SN-1 (subjected to sensitizationfor 2 hours at 650) immersed in nitric acid

    Atmospher

    ic boiling p

    oint

    curve

    Liquidus

    Atmospheric boil

    ing point

    curve

    20 40

    HNO3 (%)

    HNO3 (%)

    Temperature ()

    Temperature ()

    Temperature ()

    60 80 100

    120

    100

    80

    60

    4040

    200

    0.1

    0.3

    Liquidus

    Corrosion rate (g/m2h) diagram ofNSSMC-NAR-SN-3 (subjected to sensitizationfor 2 hours at 650) immersed in nitric acid

    Corrosion rate (g/m2h) diagram of NSSMC-NAR-SN-5immersed in nitric acid

    Applicable regions of nitric acid corrosion resistant stainless steels at various temperatures and concentrations

    Atmospher

    ic boiling p

    oint

    curve

    20 40

    HNO3 (%)

    Temperature ()

    60 80 100

    120

    100

    80

    60

    40

    2020 40 60 80 1000

    140

    Materials Sensitised at 650 for two hoursTest period 20 hours 5 periodsRegion , , 0.1mm/year 0.3mm/yearHNO3

    Boling Cu

    rve

    304L

    304EL

    SN-1

    SN-3

    SN-5

    310ELC

    310Nb

    304L

    304EL

    SN-1

    SN-5

    310ELC

    310Nb

    304L

    304EL

    SN-5

    310ELC

    310Nb

    SN-5

    310ELC

    310Nb

    SN-3

    SN-1

    SN-3

    SN-3

    Region

    310ELC

    SN-5

    304 L

    0.1g/m2hr

    NSSMC StandardNSSMC-NAR-SN-1, SN-3, SN-5

  • 17 18

    Corrosion-resistant duplex stainless steels suited for uses in chloride solutions and/or sea water.

    plate, sheet, strip

    NSSMC-NAR-DP-3Heat Exchangers for Marine Use, Common Salt Manufacturing Plants, Pulp and Paper Plant, Chemical Plant

    NSSMC-NAR-DP-8Water Reservoirs, Drilling and Excavating Plant, Oil Exploration Equipment, Heat Exchangers

    NSSMC-NAR-DP-12Urea Plants

    NSSMC-NAR-FGas Stack Desulfurizatioin Facilities, Water Gate Components, Chemical Plant Equipment

    NSSMC-NAR-DP-3Higher resistance to pitting corrosion and SCC in sea water, at higher temperatures.

    NSSMC-NAR-DP-8Higher resistance to pitting corrosion and SCC particularly in lower concentration chloride solutions as opposed to sea water.

    NSSMC-NAR-DP-12Excellent resistance to intergranular corrosion of welded heat affected zone for Urea Plants.

    NSSMC-NAR-FSuperior to SUS316 in resistance to pitting corrosion and SCC especially in lower concentration chloride solutions as opposed to sea water.

    For Use in the presence of C1- Ion: NSSMC-NAR-DP-8 and NSSMC-NAR-FFor Use with Sea Water: NSSMC-NAR-DP-3

    1,000 2,000 3,000

    1,524DP-3

    1,000

    1,219

    40.0

    30.0

    3.0

    80.0

    60.0

    Widthmm

    Thicknessmm

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C Cr Ni Mo N Other Elements JIS Spec. ASTM Spec.

    NSSMC-NAR-DP-3 0.02 25.2 7.2 3.2 0.14 Cu:0.5, W:0.3 SUS329J4L UNS S31260

    NSSMC-NAR-DP-8 0.02 22.0 5.5 3.0 0.14 SUS329J3L UNS S31803

    NSSMC-NAR-DP-12 0.02 25.3 7.2 2.7 0.14 Cu:0.3, W:0.2 SUS329J4L UNS S31260

    NSSMC-NAR-F 0.02 25.0 5.5 1.7 0.09 SUS329J1 UNS S32900

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHB

    NSSMC-NAR-DP-3 450608 620813 1831 302247

    NSSMC-NAR-DP-8 450551 620795 2532 290240

    NSSMC-NAR-DP-12 485627 690764 2028 290241

    NSSMC-NAR-F 390571 590769 2032 261238

    0.01 1 10 100 1000

    0.5

    0.4

    0.3

    0.2

    0.1

    015 20

    102 103 104

    SUS 304SUS 304

    SUS 316

    SUS 316

    DP-8

    DP-8

    F

    DP-3

    DP-3

    DP-3

    20mV/min

    Pitting corrosion potentials for different types ofstainless steel

    ArticialSea Water80

    25

    Pitting Corrosion Potential

    (vs. SCE)

    Pitting Corrosion Potential

    (vs. SCE)

    Cr + 3Mo + 10N (%)

    Relationship between pitting corrosion potential and temperature,obtained from immersion test in 0.5 M NaCl solution

    Temperature ()

    Stress-rupture time diagram, obtained fromimmersion test in boiling 42% MgCl2 solution

    Weld rod for duplex stainless steels

    SCC test results (For double-U-bent test samples kept in saturated air for 500 hours)

    30 35

    0.9

    0.7

    0.5

    0.1

    0.2

    0.3

    0.10 10 20 30 40 50 60 70 80 90

    0.8

    0.6

    0.4

    0

    Rupture Time (h)

    Applied Stresses (N/mm2)

    Temperatures ()

    Cl (ppm)

    500

    400

    300

    200

    100

    0

    200

    150

    100

    102 103 104

    DP-8200

    150

    100

    102 103 104

    SUS316L

    Free from CrackAny Cracks Observed

    200

    150

    100

    SUS 316

    NAR-DP-3

    Nippon Steel & SumikinWelding Co., Ltd.

    Nippon Welding Rod Co., Ltd.

    DP3

    WEL 25-5

    FC-DP3SF-DP3

    YT-DP3

    WEL TIG 25-5

    YM-DP3

    WEL MIG 25-5

    Filler wire

    Steel Rod

    NSSMC-NAR-DP-3

    NSSMC-NAR-F

    Spool

    Coatedelectrode

    Flaskwire

    ManufactureWeld material

    SUS 316

    DP-3

    NSSMC StandardNSSMC-NAR-DP-3, DP-8, DP-12 NSSMC-NAR-F

  • 19 20

    Excellent corrosion resistant, Super duplex stainless steel suited for use in chloride solutions and/or hot-sea water.NSSMC-NAR-DP-3N ASTM(ASME) UNS S31260NSSMC-NAR-DP-3W ASTM(ASME) UNS S39274, ASME Code Case 2427 (Plate & Sheet)

    plate, sheet, strip

    1. Sea water-proof parts, Sea water pump, Sea water heat exchanger

    2. Chemical processing tank, food processing tank containing with chloride

    3. Paper making and pulp production system

    4. Anti-stress corrosion cracking parts5. Umbilical piping, Flow line

    Widthmm

    Thicknessmm

    1,000 2,000 3,000

    9600.4

    DP-3W

    1,524

    1,000

    1,219

    60.0

    30.0

    20.0

    3.0

    Duplex stainless steel with excellent corrosion resistance to urea-carbamete.ASTM(ASME) UNS S32808ASME Code Case 2496-1(ASME SECTION Div.1 & 2)

    plate, sheet

    urea plants, chamical plant

    1,000 2,000 3,000

    1,524

    1,00060.0

    Widthmm

    Thicknessmm

    1,219

    20.0

    30.0

    3.0

    Cr (%)

    Corrosion rate in caustic soda17048-NaOH,76hr

    Corrosion rate in urea-carbamate solution

    DP-28W DP-12 316L-UG

    1.5

    1.0

    0.5

    0

    SUS316L

    DP-28W

    25Cr-7Ni-4Mo-0.3N

    SUS329J4L

    0.8

    0.7

    0.6

    0.5

    0.4

    0.3

    0.2

    0.1

    015 20 25 30

    Corrosion rate (mg/cm2hr)

    Relative Corrosion rate

    1. Excellent resistance to general corrosion in urea-carbamate solutions.2. Excellent resistance to nitric acid.3. Very high mechanical strength.4. High corrosion resistance to alkali solutions.

    1. Excellent resistance to corrosion under chloride containing environment.2. Excellent corrosion resistance to high temperature sea water.3. High mechanical strength, especially yield strength, as well as excellent resistance to SCC.4. Corrosion resistance does not deteriorate after welding. Has good weldability very similar to SUS316 in covered electrode welding.

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C Cr Ni Mo Cu W N

    NSSMC-NAR-DP-3N 0.02 25.7 6.9 3.3 0.5 0.4 0.2

    NSSMC-NAR-DP-3W 0.02 25.1 6.7 3.2 0.5 2.0 0.3

    0.2%Yield strengthN/mm2Tensile strengthN/mm2 Elongation HardnessHRB

    NSSMC-NAR-DP-3N 450646 620857 1835 302266

    NSSMC-NAR-DP-3W 550669 800894 1536 310270

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    C Cr Ni Mo W N

    0.02 27.4 7.6 0.9 2.2 0.3

    0.2%Yield strengthMPa Tensile strengthMPa Elongation HardnessHB

    NSSMC-NAR-DP-28W 650 875 44 274

    NSSMC-NAR-DP-12 627 764 28 241

    316L 260 542 58

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    1.0

    0.8

    0.6

    0.4

    0.2

    060

    1.0

    0.8

    0.6

    0.4

    0.2

    0

    20 30 40 50 70 80Temperature ()

    DP-3W

    DP-3N

    DP-3

    Pitting Corrosion Potential (vs. SCE)

    Pitting Corrosion Potential (vs. SCE)

    Effect of temperature on pitting corrosion potential(Sythetic sea water, Deaerated 20mV/min.)

    Cr3(Mo0.5W)10N (%)Pitting corrosion potential of various stainless steel and high Cr-Ni alloys

    (Sythetic sea water: ASTM-D1141, Deaerated, 80, 20mV/min.)

    90 100

    62529-4

    254SMOAC-3AC-420-25-6

    25-4-4

    20-25-4.5Cu25520-25-5

    447J1825

    316L

    444

    304

    DP-8(329J3L)XM27

    329J1DP-1(18-5-3)

    DP-3N

    DP-3(329J4L)

    DP-3W

    : Austenite

    : Duplex (Cr)-(Ni)-(Mo)

    : Ferrite

    1.0

    0.8

    0.6

    0.4

    0.2

    060

    1.0

    0.8

    0.6

    0.4

    0.2

    0

    20 30 40 50 70 80Temperature ()

    DP3W

    DP3N

    DP3

    Pitting Corrosion Potential (V vs SCE)

    Pitting Corrosion Potential (V vs SCE)

    Effect of temperature on pitting corrosion potential(Sythetic sea water, Deaerated 20mV/min.)

    Cr3(Mo0.5W)10N (%)Pitting corrosion potential of various stainless steel and high Cr-Ni alloys

    (Sythetic sea water: ASTM-D1141, Deaerated, 80, 20mV/min.)

    90 100

    62529-4

    254SHO AC-3AC-420-25-6

    25-4-4

    20-25-4.5Cu25520-25-5

    447J1825

    316L

    444

    304

    DP8(329J3L)XM27

    329J1DP1(18-5-3)

    DP3N

    DP3(329J4L)

    DP3W

    : Austenite

    : Duplex (Cr)-(Ni)-(Mo)

    : Ferrite

    Welding: Nippon steels & Sumikin Consumable welding Co., Ltd.

    SMAWDP3W

    GTAWYT-DP3W

    GMAWYM-DP3W

    FCAWSF-DP3W

    Range of consultation Range of consultation

    NSSMC StandardNSSMC-NAR-DP-3N, DP-3W

    NSSMC StandardNSSMC-NAR-DP-28W

  • 21 22

    plate, sheet

    Heat exchange, thermal treatment oven and constituting parts, combustion equipment, and aircraft parts

    1,000 2,000 3,000

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    1. Excellent resistance to oxidation by high temperature up to 1,200 .2. Highly resistance to carburization , nitridation and sulphurization.3. Highly resistance to scaling and repeated exposure to oxidizing conditions.

    Nickel base alloy with excellent corrosion resistance to high temperature alkali or water oxidization.ASTM(ASME) UNS N06600

    Nickel-based alloy with excellent resistance to high temperature oxidization and scaling.JIS NCF601, AMS 5715A, 5870A, ASTM(ASME) UNS N06601

    plate, sheet, strip

    Muffles for heating furnace, electronic machinery parts, heat exchanger parts, chemical and food processing facilities, carburizing baskets, jigs, nuclear reactor parts, caustic soda manufacturing equipment, heating element

    3.0

    1,000 2,000 3,000

    1,524

    1,000

    320

    640

    1,219

    0.04

    0.08

    0.3

    0.4

    30.0

    Widthmm

    Thicknessmm

    1. NSSMC-NAR-600 is an alloy for use in highly corrosive environments at high temperatures.2. Resists oxidation under temperatures of up to 1,180 .3. Great strength and cold workability. The strength increases with cold working.4. Good mechanical properties under low temperature as well as under high temperature.5. Excellent resistance to stress corrosion cracking by chloride ion and to corrosion by high temperature water.6. Highly resistance to high temperature alkalis.

    CHEMICALCOMPOSITION(typical example: %)

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES PRODUCT TYPES

    APPLICATION APPLICATION

    FEATURES FEATURES

    AVAILABLE SIZE AVAILABLE SIZE

    C max P max S max Cr Ni Fe

    0.15 0.030 0.015 15 Bal. 8

    C max Si Mn Cr Ni Cu Al

    0.10 0.3 0.5 22.5 60 0.2 12

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    245364 550666 3035 8988

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation

    195245 550578 3057

    Usable temperature of NSSMC-NAR-600 in variousenvironment

    10

    1.0

    0.1

    0.01

    20 40 60 80NaOH (%)

    Corrosion rate (g/m2 h)

    SUS304

    SUS316

    20-25MTi

    25-50MTi

    600

    Corrosion rate in boiling NaOH solution

    Max 1,150

    Max 810

    Max 1,150

    Max 810

    Max 510

    Max 480

    Max 980

    840 950

    480 560

    840 950

    Max 816

    Max 700

    480 560

    Corrosive environment

    Air

    Air (sulfurizing)

    CO2 gas

    CO2 gas (sulfurizing)

    Chlorine gas

    Hydrogen chloride

    Steam

    Carburizing environment

    Nitriding environment

    Fused salt Neutral salt

    NaOH

    Liquid metal Na, K (static)

    Hg (static)

    Usable temperatureConditions

    0 50 100 150 200 250 300 350 400 450 500

    250

    255075100125150175200225250275300325350

    Temperature ()Exposure time (h)Exposure time (h)

    Results of oxidation tests at 1205.Test cycles consisted of 50hr atexposure temperature followed byair-cooling to room temperature.

    Results of oxidation tests at 1150.Test cycles consisted of 50hr atexposure temperature followed byair-cooling to room temperature.

    High temperature characteristic of NSSMC-NAR-601(Results of high temperature tensile strength test)

    Oxidation resistance characteristic of NSSMC-NAR-601

    0.2%Y.S (N/mm2)

    Weight change (mg/cm

    2)

    T.S (N/mm2)

    0 50 100 150 200 250 300 350 400 450 500

    100

    102030405060708090100110120130140

    Weight change (mg/cm

    2)

    601

    800

    600

    601

    800

    600

    700

    600

    500

    400

    300

    200

    100

    0

    400

    300

    200

    100

    0500RT 600 700 800 900 1000 1100

    Tensile strength

    0.2% yield strength

    NSSMC StandardNSSMC-NAR-600

    NSSMC StandardNSSMC-NAR-601

  • 23 24

    1. Superior to Alloy 800 in corrosion resistance at higher temperatures, also including corrosion resistance with the presence of salt.2. Higher formability and weldability than alloy 800.3. High-temperature strength equal to Alloy 800.4. A fairly high austenitic structure stability is assured by long-time heating process.5. Superior to Alloy 800 in pitting corrosion resistance due to 2% molybdenum content.

    1,000 2,000 3,000

    1,0001,219

    0.31.5

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    Heat resistant alloy with remarkable strength under high temperature and resistant to carburization, nitriding and oxidation. ASTM(ASME) UNS N08800N08810

    Austenitic stainless steel, specifically developed for uses in corrosive environments at higher temperature.

    plate, sheet plate, sheet, strip

    Heat exchangers, chemical equipment, heating furnace parts, reaction pipes and parts

    Heating Elements (Seethe Heater), Heat Exchangers, Chemical Equipment, Furnace Components, Reaction Pipes and Component Elements

    1,000 2,000 3,000

    1,0001,219

    0.31.5

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    1. NSSMC-NAR-800 and 800H are iron-nickel-chromium alloys of excellent strength under high temperature, with remarkable resistance to carburization, nitriding and oxidation.

    2. Resistance to stress corrosion cracking, S attacks, internal oxidation, high temperature scaling and other types of corrosion in many corrosive environment.

    3. Highly ductile due to the stable austenitic structure. Occurrence of harmful phase is minimal under the long-term use in the 650 870 temperature range.

    4. Compared with NSSMC-NAR-800, NSSMC-NAR-800H has greater strength under temperature of over 620 , and superior rapture strength in the 590 980 temperature range.

    CHEMICALCOMPOSITION(typical example: %)

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES PRODUCT TYPES

    APPLICATION APPLICATION

    FEATURES FEATURES

    AVAILABLE SIZE AVAILABLE SIZE

    C max P max S max Cr Ni Al Ti

    NSSMC-NAR-800 0.10 0.030 0.015 21 32 0.3 0.5

    NSSMC-NAR-800H 0.05 0.10 0.030 0.015 21 32 0.3 0.5

    C max Si Mn P max S max Cr Ni Mo

    0.03 1.0 0.3 0.03 0.015 21.0 19.8 2.0

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHRB

    NSSMC-NAR-800 205315 520565 3044 8982

    NSSMC-NAR-800H 175256 450547 3049 8676

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHV

    205279 520583 3048 182139

    4.5

    4.0

    3.5

    3.0

    2.5

    2.0

    1.5

    1.0

    0.5

    00

    8

    5 6 7 8

    9 10 11 12 13 14 15

    15

    10

    5

    2

    4

    6

    8

    10

    12

    10 20 30 40 50Ni (%)

    Temperature 100F

    Chart of allowable tensile stress

    (From ASME SECTION VIII)

    100

    Ni %

    Type 446

    800

    800

    800H

    25Cr-20NiInconel60060Ni15Cr

    Type 310

    (Test location) : outlet of an ammonia pre-heater(Test temperature) : 500 (Duration of test) : 1,540 hours(Composition of gas) : 99.1% ammonia gas +0.9% inert gas

    Results of plant test on nitriding of stainless steels andNickel-base alloys

    Type 309

    Corrosion rate (mm/y)

    (kgf/mm2)

    Allowable tensile stress

    1000PSi

    60 70 80 90 100

    Polished surfaceOxidized surface

    Test conditions:One cycle (Test sample immersed in soy sause for 3 min. then heated in air at 750 for 15 min.)Repeated 45 Times.*Corr osion Depth ( t) = Original Test SampleThickness (t0) Corr osion-fr ee Thickness (t1)

    Mechanical properties at higher temperatures

    800

    Steel TypesElongation

    (%)

    Tensile Strength

    0.2% YieldStrength

    58.019083AH-1

    63.4193105Alloy 800

    67.8184106Alloy 600

    Corrosion test results obtained fromrepeated immersion in soy sauce followedby heating to high temperature

    Corr osionDepth*(mm)

    Variations inWeight(mg/cm2 )

    SteelTypes

    0.72 179.5AH-1

    1.28 306.3Alloy 800

    0.15 43.9Alloy 600

    0.86 212.3SUS 316

    1.90 577.2SUS 304

    t0 = 2.0mmt0t1

    (N/mm2) (N/mm2)

    NSSMC StandardNSSMC-NAR-800, 800H

    NSSMC StandardNSSMC-NAR-AH-1

  • 25 26

    Heat -resistant austenitic stainless steel with excellent mechanical properties at high temperature. ASTM, UNS S31060, ASME Code Case 2430

    plate, sheet, strip

    1. Parts requiring heat resistance in Industrial Furnace, Heat-treating Furnace, Power Plant and Chemical Plants

    2. Fuel cell reforming Tube3. Car (Exhaust Manifold etc.)4. Subsutitute for SUS310S. Especially

    suited for material requiring high-temperature mechanical strength

    1. Further improvement of mechanical strength and creep strength at high temperature as conpared with SUS310S (JIS G4304).2. Excellent oxidation registance at 900 1000 superior to SUS310S.3. Superior structure stability, lessdecline of toughness than SUS310S, after long-time exposure to high temperature (700 900 ).4. Reasonably designed chemical composition, cost performances are higher than SUS310S.

    1,000 2,000 3,000

    1,524

    1,2190.3

    6000.1

    3.0

    6.0

    40.0

    32.0

    1,000

    Widthmm

    Thicknessmm

    Heat-resistant austentic stainless steel with exellent mechanical properties and oxidation resistance of high temperature and high humidity.

    plate, sheet, strip

    Heat ExchangersSteam reformerFurnace Compornent

    1. Excellent mechanical properties equivalent to NSSMC-NAR-AH-4 at high temperature.2. Excellent oxidation resistance at high humidity atomosphere.

    Scale formation after high-temperature oxidation

    AH-7

    SUS 310S

    Oxidation resistance at high humidity gas

    Test Temperature

    After heated at 900 x 500hr in 3%O2-9%CO2-16%H2O-bal.N2 conbustion exhaustgas.

    after 500hr15

    10

    5

    0700 800 900 1000

    SUS310S

    SUSXM15J1

    AH-7weight gain (mg/cm2hr)

    1,000 2,000 3,000

    1,0000.1

    1,5243.0

    30.0

    Widthmm

    Thicknessmm

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C Si Cr Ni N La+Ce Other

    0.05 0.10 0.3 23.0 11.0 0.2 0.04 B add

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation HardnessHB

    280351 600665 4052 9588

    CHEMICALCOMPOSITION(typical example: %)

    MECHANICALPROPERTY

    [typical example]

    PRODUCT TYPES

    APPLICATION

    FEATURES

    AVAILABLE SIZE

    C Si Cr Ni N La+Ce Nb

    0.04 0.10 0.3 26.2 17.5 0.2 0.03 0.1

    0.2%Yield strengthN/mm2 Tensile strengthN/mm2 Elongation

    280422 600764 3542

    150

    AH-4Aging time: 3000h

    Test piece: 2mm V-notch half sizeTest temperature: room temperature

    SUS310S

    100

    50

    00

    10

    10

    50

    5

    20

    30

    600 700 800

    Aging temperature ()

    Impact value (J/cm

    2)

    weight increase by oxydation (g/m

    2)

    stress (MPa)

    Charpy impact propartiesafter aged at 700-900

    AH-4 SUS310STime to rapture (h)

    Continuous oxidation test resultCreep rupture properties

    900 1000900 900102 103 104 105 1000 1000 ()

    900 1000AH-4

    Designation

    SUS310S

    Range of consultation

    NSSMC StandardNSSMC-NAR-AH-4

    NSSMC StandardNSSMC-NAR-AH-7