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1.7225/41CrMo4 Hot Rolled Steel Bar Alloy Round Bar Steel Black/Peeled/Cold Drawn/Turned/QT 1.Grade: AISI 4140, DIN 1.7225/42CrMo4, JIS SCM440, GB 42CrMo 2.Size: dia 10-350mm length 2000-5800mm 3...