Welding seam is formed by melting and connecting the welding rod and the metal at the joint by using the high temperature of the welding heat source. After the weld cools, the two weldments are connec...
The hardness of the silicon carbide abrasive does not refer to the hardness of the silicon carbide abrasive or the bonding agent itself. Abrasive hardness refers to the degree of difficulty for the ab...
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