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AISI 4140 • JIS SCM440 • DIN 1.7225 Steel Sheet and Round Bar in Stock

Dongguan Chiyuan Precision Mechanical Technologies Co., Ltd.
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AISI 4140 • JIS SCM440 • DIN 1.7225 Steel Sheet and Round Bar in Stock

AISI 4140 • JIS SCM440 • DIN 1.7225 Steel Sheet and Round Bar in Stock

AISI 4140 steel is the stand of the USA. And the GB 42CrMo steel has the same properties and chemical composition for 4140 steel in China. But at the part of extensibility is lower than 4140. But the ...

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