Submerged Arc Welding Consumables by Eureka Electrodes and Wires Private Limited Perundurai
NIKKO ARC WELDING ELECTRODES - yewcheong.com.sg 2. 10.pdf · NIKKO ARC WELDING ELECTRODES...
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NIKKO ARC WELDING ELECTRODES DISTRIBUTED BY: GA - 24 For Mild Steel and Medium Tensile Steel Description GA-24 is an iron powder titanium type electrode designed for high speed and high efficiency welding in flat and horizontal fillet positions. It has excellent weld ability, easy slag removal and produces beautiful bead appearance. The metal recovery with respect to core wire is 180%. Applications For flat and horizontal fillet welding of ship building, storage tanks, building construction. Finish welding of multi layer welding. Instructions for Welding 1. If the electrodes become damp, dry the electrodes at 80ºC ~ 120ºC for 30 ~ 60 minutes before use. 2. For horizontal fillet position, use contact welding method. C 0.06 Si 0.29 Mn 0.90 P 0.016 S 0.011 Yield Point 464 N/mm² 47.0 kgf/mm² Tensile Strength 543 N/mm² 55.4 kgf/mm² Elongation 26.6% Charpy Impact Value at - 20ºC 52.1 J 5.3 kgf-m at 0ºC 83.4 J 8.5 kgf-m Size ( mm ) Current Range ( Amp. ) Dia. Length Flat, Horizontal Fillet Position 3.2 350 4.0 450 5.0 450 130 ~ 170 2682070243 Order No. 150 ~ 230 2682070244 200 ~ 310 2682070245 Classification : AWS A5.1 E7024 HV - 950 For Heavy Soil Abrasion Description HV-950 is a complex carbide electrode. The weld metal deposit gives extremely high hardness of typically HRC 60. It is excellent in wear application at elevated temperatures and its suitable for protecting all iron based parts subject to severe fine particle abrasion. Applications For surfacing of sand pump casing, pump impeller, worn parts on farm equipment, forestry tools, conveyor screw, mixer blades, scraper bars, blast furnaces, cement furnaces and buckets teeth. Instructions for Welding 1. Dry the electrodes at 150º~200ºC for 30~60 minutes before use. 2. Choose the welding current within the suitable welding current range. 3. Preheat at 300ºC is required and post heating after welding is desirable at about 600ºC 4. Build-up in lattice shape or string in general. C 4.60 Si 2.23 S 0.019 P 0.017 Mn 0.40 Ni 24.5 Cr 18.0 WELDING CONDITION As Welded Preheating- interpass 150ºC As Welded Preheating- interpass 300ºC Vickers (HV) 660~900 600~700 Size ( mm ) Dia. Length 3.2 350 140 ~ 170 2682099503 Current Range (Amp.) Order No. 4.0 400 180 ~ 220 2682099504 5.0 400 220 ~ 270 2682099505 Rockwell (HRC) 58~64 55~60 Hardness Of Weld Metal Typical Chemical Composition Of Weld Metal (%) Typical Mechanical Properties Of Weld Metal Recommended Currents: ( AC or DCEP) Typical Chemical Composition Of Weld Metal (%) Recommended Currents: ( AC or DCEP) 2.10
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Transcript of NIKKO ARC WELDING ELECTRODES - yewcheong.com.sg 2. 10.pdf · NIKKO ARC WELDING ELECTRODES...
NIKKO ARC WELDING ELECTRODES
DISTRIBUTED BY:
GA - 24For Mild Steel and Medium Tensile Steel
Description
GA-24 is an iron powder titanium
type electrode designed for highspeed and high efficiency weldingin flat and horizontal fillet positions.It has excellent weld ability, easyslag removal and producesbeautiful bead appearance.The metal recovery with respect to core wire is 180%.
Applications
For flat and horizontal fillet weldingof ship building, storage tanks, building construction. Finish welding of multi layer welding.
Instructions for Welding
1. If the electrodes become damp, dry the electrodes at 80ºC ~ 120ºC for 30 ~ 60 minutes before use.2. For horizontal fillet position, use contact welding method.
C
0.06
Si
0.29
Mn
0.90
P
0.016
S
0.011
Yield Point
464 N/mm²47.0 kgf/mm²
Tensile Strength
543 N/mm²55.4 kgf/mm²
Elongation
26.6%
Charpy Impact Value
at - 20ºC52.1 J
5.3 kgf-m
at 0ºC83.4 J
8.5 kgf-m
Size( mm )
CurrentRange( Amp. )
Dia.
Length
Flat, HorizontalFillet Position
3.2
350
4.0
450
5.0
450
130 ~ 170
2682070243Order No.
150 ~ 230
2682070244
200 ~ 310
2682070245
Classification : AWS A5.1 E7024
HV - 950For Heavy Soil Abrasion
Description
HV-950 is a complex carbide electrode. The weld metal deposit gives extremely high hardness oftypically HRC 60. It is excellent in wear application at elevated temperatures and its suitable for protecting all iron based parts subject to severe fine particle abrasion.
Applications
For surfacing of sand pump casing, pump impeller, worn parts on farm equipment, forestry tools, conveyorscrew, mixer blades, scraper bars,blast furnaces, cement furnacesand buckets teeth.
Instructions for Welding
1. Dry the electrodes at 150º~200ºC for 30~60 minutes before use.2. Choose the welding current within the suitable welding current range.3. Preheat at 300ºC is required and post heating after welding is desirable at about 600ºC4. Build-up in lattice shape or string in general.
C
4.60
Si
2.23
S
0.019
P
0.017
Mn
0.40
Ni
24.5
Cr
18.0
WELDING CONDITION
As Welded Preheating- interpass 150ºC
As Welded Preheating- interpass 300ºC
Vickers (HV)
660~900
600~700
Size( mm )
Dia.
Length
3.2
350
140 ~ 170
2682099503
Current Range (Amp.)
Order No.
4.0
400
180 ~ 220
2682099504
5.0
400
220 ~ 270
2682099505
Rockwell (HRC)
58~64
55~60
Hardness Of Weld Metal
Typical Chemical Composition Of Weld Metal (%)
Typical Mechanical Properties Of Weld Metal
Recommended Currents: ( AC or DCEP)
Typical Chemical Composition Of Weld Metal (%)
Recommended Currents: ( AC or DCEP)
2.10
DISTRIBUTED BY:
RD - 360For Welding of 50 kgf/mm² Class High Tensile Steel
DescriptionRD-360 is a low hydrogen type electrode used for welding of50kgf/mm² high tensile steel in allpositions. It has excellent workability such as good arc stability,smooth bead appearance andexcellent slag removal. Itsmechanical properties, X-rayqualities and notch toughness arevery good and it shows excellentproperties in all positions.
Applications
Building constructions, pipes,agricultural machinery, tank, etc.
Instructions for Welding
For vertical down welding usecontact welding method.
C
0.07
Si
0.54
Mn
1.10
P
0.021
S
0.008
Typical Chemical Composition Of Weld Metal (%)
Typical Mechanical Properties Of Weld Metal
Yield Point
495 N/mm²50.5 kgf/mm²
Tensile Strength
557 N/mm²56.8 kgf/mm²
Elongation
28%
Charpy Impact Value
at - 29ºC89 J
9.1 kgf-m
Recommended Currents : ( AC or DCEP OR DCEN )
Size( mm )
CurrentRange( Amp. )
Dia.
Length
Flat Position
Vertical, Over-head Position
2.6
350
3.2
350
4.0
400
80 ~ 120
70 ~ 110
2682070162Order No.
90 ~ 150
90 ~ 150
2682070163
150 ~ 190
130 ~ 170
2682070164
Classification : AWS A5.1 E7016 JIS Z 3212 D5016
RD - 718For Welding of 50 kgf/mm2 Class High Tensile Steel
DescriptionRD-718 is an iron powder low hydrogen type electrode which has been designed for the use on heavyduty structures in all position. Itshydrogen content of weld metal isvery low and it has excellentmechanical properties. It’sdeposited rate and weldingeffeciency is high.
ApplicationsWelding of various heavy duty structures, thick plate structuresusing 50kgf/mm² class high tensilesteel.
Instructions for Welding1. Dry the electrodes at 300º~ 400ºC for 30 ~ 60 minutes before use.2. Adopt back step method or strike the arc on a start tab to prevent blowholes at the arc starting. 3. Keep the arc length as short as possible.
C
0.08
Si
0.53
Mn
1.10
P
0.017
S
0.013
Yield Point
486 N/mm²49.6 kgf/mm²
Tensile Strength
583 N/mm²59.4 kgf/mm²
Elongation
28.5%
Charpy Impact Value
at - 29ºC98 J
10.0 kgf-m
Classification : AWS A5.1 E7018 JIS Z 3212 D5016
Size( mm )
CurrentRange( Amp. )
Dia.
Length
Flat Position
Vertical, Over-head Position
2.6
350
3.2
350
4.0
400
5.0
400
80 ~ 120
70 ~ 110
2682070182Order No.
90 ~ 150
80 ~ 130
2682070183
150 ~ 200
130 ~ 170
2682070184
180 ~ 250
150 ~ 220
2682070185
Typical Chemical Composition Of Weld Metal (%)
Typical Mechanical Properties Of Weld Metal
Recommended Currents : ( AC or DCEP OR DCEN )
2.11
NIKKO ARC WELDING ELECTRODES
