Cracks are divided into hot cracks and cold cracks. Hot cracks are mainly caused by S, mostly irregular shapes, and the metal skin at the cracks is oxidized; Cold cracks are mainly caused by P, the cracks are relatively straight, the cracks have metallic luster, and sometimes a slight oxidation co......
Read MoreSteel castings are widely used in people's lives. Steel castings are used in automobiles, high-speed railways and buildings in people's lives. Although steel castings have shortcomings, their advantages are also very obvious.
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