The steel grades involved include 40Cr, 35CrMo, 42CrMo, 30CrMoA, 5CrNiMo, 5CrMnMo, 2Cr13, 3Cr13, 4Cr13, 20SiMn, 30SiMn, H11, H13, 718, P20 and other alloy structural steels and alloy tool steels.
It is widely used in heavy machinery and equipment, automobiles, home appliances, shipbuilding, nuclear power and other industries.
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