Details

---

KH-40-B
Type of coating: Low hydrogen type
Weld metal is martensite structure and has acceptable machining properties

Classification


Application and Features 

• Weld metal is martensite structure and has acceptable machining properties
• It provides good crack resistance and impact and medium abrasion
• It is suitable for repairing drive sprockets, idlers, pulleys, caterpillar bands, crusher rolls, buckets, chains and shafts

Caterpillar band

Welding Position


Welding Instruction

• Dry the electrodes at 300-350°C for 30-60 minutes before use
• Clean up the contaminations on the steel. Keep arc as short as possible
• Take the back-step method to prevent porosity at the arc starting

Application
- It is suitable for repairing drive sprockets, idlers, pulleys, caterpillar bands, crusher rolls, buckets, chains and shafts

Typical Chemical Composition of Weld Metal (wt%)


Typical Hardness of Weld Metal


Size and Suggested Operating Range (AC or DC+)