J507 is a low-hydrogen sodium coated carbon steel welding electrode, which can be welded in all positions by DCEP. It has excellent welding performance with ...
The high-tensile-strength J507 welding rod is composed of, by weight, 29-31 parts of marble, 29-31 parts of fluorite, 1.5-2.5 parts of titanium dioxide, 0.5-1.5 ...
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