不鏽鋼焊線
KMS-630

Shielding Gas: Ar+1~2%O2(CO2)
Weld metal is precipitation hardening martensitic structure with16.5%Cr-4.7%Ni-3.6%Cu-Nb.
Suitable for welding ASTM 564/630, SUS630 and 17-4PH plate.

▎Classification

AWS A5.9/A5.9MER630
JIS Z3321YS630
EN ISO 14343-A
YB T5092H04Cr17Ni4Cu4Nb

▎Applications and Features

  • Weld metal is precipitation hardening martensitic structure with16.5%Cr-4.7%Ni-3.6%Cu-Nb.
  • Used in as welded condition or may be heat treated to obtain higher strength
  • Suitable for welding ASTM 564/630, SUS630 and 17-4PH plate.

▎Welding Instruction

  • Use Ar+1~2%O2 for spray transfer and Ar+1~2%CO2 for short-circuit transfer.
  • For other instructions, please refer to Appendix B and F.

▎Application

Suitable for welding ASTM 564/630, SUS630 and 17-4PH plate

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PSCrNiNbCu
0.030.370.520.0100.00716.484.600.203.23

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation %
99085010

▎Size and Suggested Operating Range (DC+)

Diameter (mm)0.80.91.01.21.41.6
Ar+1~2%CO240-120A
15-20V
60-140A
15-21V
80-160A
16-22V
100-210A
17-22V
Ar+1~2%O2160-210A
24-28V
170-260A
24-30V
180-280A
24-30V
200-300A
24-30V
210-320A
24-32V
220-330A
24-32V

▎Certification