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JQ•J558N2
天津市金桥焊材集团股份有限公司

TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.

AWS A5.5 E8018-C3 ISO 2560-A-E 46 4 1Ni B 42 H5
JQ·J558N2 is a low alloy steel welding electrode with low-hydrogen sodium coating, which can be used for AC and DC welding in all positions. The deposited metal contains about 1% Ni, which has excellent plasticity, toughness and crack resistance.
The product is applicable for welding important structures of low alloy steel such as pressure vessels, marine engineering, and ships.
1. Before welding, the welding electrode should be baked at 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.