KL-816B2 Stick Electrode for Heat Resistant Steel

详情

KL-816B2
Type of coating: Low hydrogen type
KL-816B2 is suitable for welding Cr-Mo alloy steel

Classification


Application and Features 

• KL-816B2 is suitable for welding Cr-Mo alloy steel
• Weld metal contains 1.25%Cr-0.5%Mo
•  It provides great creep resistance at 450°C
•  It is ideal for welding high pressure steel pipes, heat exchanger steel pipes of boilers, rolled, cast
  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: 160~190°C, PWHT: 675~705°C

Application
- It is ideal for welding high pressure steel pipes, heat exchanger steel pipes of boilers, rolled, cast 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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