Applications and Features |
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( 1 ) Weld metal is austenitic structure with 20%Cr-25%Ni-5%Mo-Cu. ( 2 ) Used in fabrication of equipment and vessels for handling and storage of sulfuric acid and phosphoric acid. ( 3 ) Used for welding materials of similar chemical composition (Type 904L). |
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Welding Position |
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Welding Instruction |
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( 1 ) Use Ar+1~2%O2 for spray transfer and Ar+1~2%CO2 for short-circuit transfer. ( 2 ) For other instructions, please refer to Appendix B and F. |
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Typical Chemical Composition of Weld Metal (wt%) |
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C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
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0.02 |
0.41 |
1.73 |
0.010 |
0.010 |
20.33 |
25.05 |
4.55 |
1.52 |
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Typical Mechanical Properties of Weld Metal |
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Tensile Strength N/mm2 |
Yield Strength N/mm2 |
Elongation % |
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540 |
340 |
37 |
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Size and Suggested Operating Range (DC+) |
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Diameter (mm) |
0.8 |
0.9 |
1.0 |
1.2 |
1.4 |
1.6 |
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Ar+1~2%CO2 |
Current (A) |
40~120 |
60~140 |
80~160 |
100~210 |
- |
- |
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Voltage (V) |
15~20 |
15~21 |
16~22 |
17~22 |
- |
- |
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Ar+1~2%O2 |
Current (A) |
160~210 |
170~260 |
180~280 |
200~300 |
210~320 |
220~330 |
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Voltage (V) |
24~28 |
24~30 |
24~30 |
24~30 |
24~32 |
24~32 |