Penerangan
KN-718G
Type of coating: Iron powder low hydrogen type
A low hydrogen coated electrode for 490N/mm2 grade steel for low temperature resistance
It is ideal for welding in low temperature resistant steel of LPG storage tanks.( ASTM A537C1,JIS G3126 and SLA325A)
Classification
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Application and Features
- A low hydrogen coated electrode for 490N/mm2 grade steel for low temperature resistance
- Weld metal contains 1.5%Ni with good conditions of CVN obtained at -45°C
- It is suitable for Flat and H-Fillet welding
- It is ideal for welding in low temperature resistant steel of LPG storage tanks.( ASTM A537C1,JIS G3126 and SLA325A)
Welding Position
Welding Instruction
- Clean up the contaminations on the steel. Keep arc as short as possible
- Dry the electrodes 350~400°C in 60 minutes before welding
- Excellent strike and re-strike capabilities with the back step method. (Please refer to Appendix A)
- Please note that over welding heat input causes the poor conditions in CVN
Application
- It is ideal for welding in low temperature resistant steel of LPG storage tanks.( ASTM A537C1,JIS G3126 and SLA325A)
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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