Applications and Features :
The weld metal is duplex stainless steel with 22.5%Cr-8.5%Ni-3%Mo-0.15%N.
It has higher strength and excellent resistance to pitting and stress corrosion cracking.
It is suitable for welding duplex stainless steel with 22% Cr, such as UNS S31803 (Alloy 2209).
Welding Instruction | |||||||||||||||
(1) Use Ar blend with 1~2%O2 for high current, spray transfer welding. (2) Use Ar blend with 1~2%CO2 for low current, short-circuit transfer welding. | |||||||||||||||
Typical Chemical Composition of Weld Metal (wt %) (Shielding Gas : Ar+2%O2) | |||||||||||||||
C | Si | Mn | P | S | Cr | Ni | Mo | N | |||||||
0.015 | 0.43 | 1.55 | 0.009 | 0.007 | 22.71 | 8.52 | 3.01 | 0.15 | |||||||
Typical Mechanical Properties of Weld Metal (Shielding Gas : Ar+2%O2) | |||||||||||||||
Tensile Strength N/mm2(kgf/mm2) | Yield Strength N/mm2(kgf/mm2) | Elongation % | |||||||||||||
810(82.6) | 620(63.2) | 28 | |||||||||||||
Size and Suggested Operating Range (DC+) | |||||||||||||||
Diameter (mm) Operating range | 0.8 | 0.9 | 1.0 | 1.2 | 1.4 | 1.6 | |||||||||
Ar+1~2%CO2 | Amp | 40~120 | 60~140 | 80~160 | 100~210 | — | — | ||||||||
Volt | 15~20 | 15~21 | 16~22 | 17~22 | — | — | |||||||||
Ar+1~2%O2 | Amp | 160~210 | 170~260 | 180~280 | 200~300 | 210~320 | 220~330 | ||||||||
Volt | 24~28 | 24~30 | 24~30 | 24~30 | 24~32 | 24~32 | |||||||||
