Steel 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.
Read MoreCracks 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......
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