不鏽鋼焊線
KMS-2209

Shielding Gas: Ar+1~2%O2(CO2)
Weld metal is duplex stainless steel with 22%Cr-9%Ni-3%Mo-0.1%N.
Suitable for welding duplex stainless steel with 22% Cr, such as UNS S31803 (Alloy 2205)

▎Classification

AWS A5.9/A5.9MER2209
JIS Z3321YS2209
EN ISO 14343-AG 22 9 3 N L
YB T5092H03Cr22Ni8Mo3N

▎Applications and Features

  • Weld metal is duplex stainless steel with 22%Cr-9%Ni-3%Mo-0.1%N.
  • Higher strength and excellent resistance to pitting and stress corrosion cracking.
  • Suitable for welding duplex stainless steel with 22% Cr, such as UNS S31803 (Alloy 2205).

▎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 duplex stainless steel with 22% Cr, such as UNS S31803 (Alloy 2205).

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PSCrNiMoN
0.010.361.740.0090.00722.928.813.080.15

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
79961138

▎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