TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
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J557
天津市金桥焊材集团股份有限公司
AWS A5.5 E8015-G
ISO 2560-A-E E 46 3 Z B 22 H10
J557 is a low-alloy steel welding electrode with low-hydrogen sodium coating which adopts DCEP connection method. The product is designed for all positions welding and has excellent welding performance and mechanical properties.
The product is applicable for welding medium carbon steel and low alloy steel structures such as 15MnTi and 15MnV.
1. Before welding, the welding electrode should be baked at about 350-400℃ for 1h for ready use.
2. Impurities such as rust, oil stain and moisture must be cleared off of the work piece before welding.
3. Operating with short arc and narrow gap when welding.
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