KN-816G Stick Electrode for Low Temperature Resistant Steel

Penerangan

KN-816G
Type of coating: Low hydrogen type
It is suitable for welding 540N/mm2
It is ideal for welding low temperature steel used in LPG storage tanks

Classification


Application and Features 

• It is suitable for welding 540N/mm2 grade steel for low temperature resistance
• It provides good weldability, stable arc and easy slag removal
• Weld metal contains 1.5%Ni and has good impact properties at -45°C
• It is ideal for welding low temperature steel used in LPG storage tanks, such as ASTM A537C1,JIS G3126 and SLA325A

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. High heat input will lower the impact value. Please carefully select the welding current.
5. The preheat temperature for thick plate is 50~100°C

Application
- It is ideal for welding low temperature steel used in LPG storage tanks

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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