KH-50N-4 Stick Electrode

Description

KH-50N-4
Type of coating: Lime titania type
Weld metal is martensite structure with 13%Cr

Classification


Application and Features 

• Weld metal is martensite structure with 13%Cr
• It provides excellent hardness, toughness, corrosion, heat and crack resistance
• It is suitable for repairing turbines impeller, heat exchanger brackets, valve brackets and molds

Turbine impeller

Welding Position


Welding Instruction

• Dry the electrodes at 200-250°C for 30-60 minutes before use
• Clean up the contaminations on the work piece
• Preheat temperature should be above 150°C for repairing low alloy steel or medium/high carbon steel

Application
- It is suitable for repairing turbines impeller, heat exchanger brackets, valve brackets and molds

Typical Chemical Composition of Weld Metal (wt%)


Typical Hardness of Weld Metal


Size and Suggested Operating Range (AC or DC+)

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