详情
KH-CR25
Type of coating: Low hydrogen type
Weld metal is a chromium carbide structure with 25% Cr. It provides excellent hardness and abrasion resistance at high temperature due to higher chromium carbide content
Classification
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Application and Features
- Weld metal is a chromium carbide structure with 25% Cr
- It provides excellent hardness and abrasion resistance at high temperature due to higher chromium carbide content
- The weld metal has poor impact toughness and high crack susceptibility
- It is suitable for repairing canisters, sand-blast machines, crushers, and sieves
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Pump linings
Welding Position
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Welding Instruction
- Dry the electrodes at 300-350°C for 30-60 minutes before use
- Preheat temperature should be ≥ 250°C and PWHT should be 600°C
- The surfacing should be limited to 2-3 layers
Application
- It is suitable for repairing canisters, sand-blast machines, crushers, and sieves
Typical Chemical Composition of Weld Metal (wt%)
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Typical Hardness of Weld Metal
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Size and Suggested Operating Range (AC or DC+)
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