TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
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JQ•J557GX
天津市金桥焊材集团股份有限公司
AWS A5.5 E8015-G
ISO 2560-A-E 46 3 Z B 22 H5
JQ·J557GX is a low alloy carbon steel welding electrode with low-hydrogen sodium coating for pipeline steel, which adopts DCEP connection method. It is permitted for all positions welding. It has good welding performance with smooth and soft arc, low spatter level and effortless slag removal ability. The deposited metal has excellent plasticity, low-temperature toughness and crack resistance
The product is applicable for the welding of X65 pipeline steel and low alloy steel with corresponding strength grade.
1. Before welding, the welding electrode should be baked at about 350 - 400℃ for 1h, and put in an incubator at 100 - 150℃ 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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