Description
KMS-309
Shielding Gas: Ar+1~2%O2(CO2)
Weld metal is austenitic structure with 23%Cr-12%Ni
Used for welding dissimilar materials such as mild steel to stainless steel, as well as for a barrier layer in stainless overlays
Classification
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Application and Features
- Weld metal is austenitic structure with 23%Cr-12%Ni
- Moderate ferrite content increases good crack and corrosion resistance
- Used for welding dissimilar materials such as mild steel to stainless steel, as well as for a barrier layer in stainless overlays
- Occasionally used for welding “18-8” base metals when severe corrosion conditions exist or dissimilar metals
Welding Position
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Welding Instruction
- Use Ar+1~2%O2 for spray transfer and Ar+1~2%CO2 for short-circuit transfer
- For welding dissimilar alloy, please refer to Appendix I
- For other instructions, please refer to Appendix B and F
Application
- Used for welding dissimilar materials such as mild steel to stainless steel, as well as for a barrier layer in stainless overlays
Typical Chemical Composition of Weld Metal (wt%)
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Typical Mechanical Properties of Weld Metal
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Size and Suggested Operating Range (DC+)
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