KL-716A1 Stick Electrode for Heat Resistant Steel

详情

KL-716A1
Type of coating: Low hydrogen type
KL-716A1 is suitable for welding 490N/mm2 grade steel with 0.5％Mo
Ideal for welding steel pipes, heat exchanger pipes, cast steel, rolled and forged steel

Classification


Application and Features 

• KL-716A1 is suitable for welding 490N/mm2 grade steel with 0.5％Mo.
•  Ideal for welding steel pipes, heat exchanger pipes, cast steel, rolled and forged steel

Welding Position


Welding Instruction

1. Clean up the contaminations on the steel
2.  Dry the electrodes at 350~400°C for 60 minutes before welding
3. Keep arc as short as possible. Take the back step method to prevent porosity at arc start and re-start. (Please refer to Appendix A)
4. Preheat and interpass temperature: 100~200°C, PWHT: 600~635°C

Application
- Ideal for welding steel pipes, heat exchanger pipes, cast steel, rolled and forged steel

Typical Chemical Composition of Weld Metal (wt%)


Typical Mechanical Properties of Weld Metal


Size and Suggested Operation Range (AC or DC±)

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