4130,the Chinese domestic grade 30CrMo, is an alloy steel containing chromium and molybdenum, the tensile strength is generally above 750MPa, material always subject to steel bar and thick plate on the market.

Thin-walled 4130 steel pipe will be used to make bicycle frames, landing gear for small aircraft, engine brackets, rally racks, etc.

Chemical Composition

Physical Properties

Mechanical Properties

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