CREEP RESISTANT BASIC ELECTRODES

SL® 9Cr(P91)

Liability: All information in this data sheet is based on the best available knowledge, is subject to change without notice and can only be considered as suitable for general guidance. Fumes: Consult information on Welding Safety Sheet, available upon request

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SMAW

176

Identification Imprint: 9016-B9 / SL 9 Cr(P91) Tip Color:dark green

CLASSIFICATION

AWS A5.5EN 1599

: E9016-B9-H4: E CrMo91 B 32 H5

GENERAL DESCRIPTION

Basic very low hydrogen all position electrode (HDM< 5 ml/100g) For welding creep and hydrogen resistant 9% Cr-1% Mo steelsMaximum service temperature 650°CDeveloped for power plants and the petrochemical industryOnly available in vacuum sealed Sahara ReadyPack®(SRP)

SL® 9Cr(P91): rev. EN 23

CHEMICAL COMPOSITION (W%), TYPICAL, ALL WELD METAL

C Mn Si P S Mo Cr Ni Nb V N HDM

0.09 0.6 0.2 0.01 0.01 10 9.0 0.6 0.04 0.2 0.04 3 ml/100 g

WELDING POSITIONS CURRENT TYPE

AC / DC + / -

PA/1G PB/2F PC/2G PF/3G up PF/5G upPE/4GISO/ASME

APPROVALS

TÜV

+

PACKAGING AND AVAILABLE SIZES

Diameter (mm)Length (mm)

2.5 350

3.2350

4.0 350

5.0 450

Unit: SRP Pieces / unitNet weight/unit (kg)

66 1.4

50 1.8

28 1.5

23 2.4

MECHANICAL PROPERTIES, TYPICAL, ALL WELD METAL

Condition

0.2% Proof strength(N/mm2)

Tensile strength(N/mm2)

Elongation(%)

Impact ISO-V(J)

+20°C

Required: AWS A5.5EN 1599

Typical values

SR1) SR2) SR3)

min. 530min. 415

650

min. 620min. 585

800

min. 11min. 17

20

not required min. 47

50

Stress relieved: SR1) = 740 ±14°C/1h, SR2) = 750-770°C/1h, SR3) = 750-754°C/2h

177

SL® 9Cr(P91)

SMAW

CREEP RESISTANT BASIC ELECTRODES

MATERIALS TO BE WELDED

Steel grades/Code Type Code TypeCreep resistant steels

EN 10222-2 X10CrMoV 9-1ASTM A199 Grade T91

A200 Grade T91 A213 Grade T91A335 Grade P91A336 Grade F91

ASME SA 182-F91 SA 213-T91 SA 335-P91 SA 336-F91 SA 369-FP91 SA 387-Grade 91

CALCULATION DATA

SizesDiam. x length

(mm)Current range

(A)

Current type

Arc time Energy Dep. rate Weight/ 1000 pcs

(kg)

Electrodes/ kg weld-

metal B

kg electrodes/ kg weldmetal

1/N- per electrode at max. current -

(S)* E(kJ) H(kg/h)2.5x3503.2x350 4.0x350

60-90 85-130

130-175

DC+ DC+ DC+

57 65 66

88 172 263

0.7 1.0 1.5

19.3 34.8 50.8

92 59 36

1.78 2.04 1.81

*Stub end 35mm

WELDING PARAMETERS, OPTIMUM FILL PASSES

Diameter (mm)

Welding positionsPA/1G PB/2F PC/2G PF/3Gup PE/4G PF/5Gup

2.53.2 4.0

80A 130A 140A

80A 130A 140A

75A125A 135A

70A 120A 135A

70A 120A 135A

70A 120A 135A

REMARKS / APPLICATION ADVICE

Recommended preheat temperature:200 - 300°C Postweld heat treatment 730 - 760°C (time depends on material thickness)