steel round bar 42crmo4 1 7225 4140

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alloy steel 4140 42CrMo4 1 7225 4140 round steel bar

AISI 4140 Scm440 42CrMo4/1.7225 En19/709m40 Forging Alloy AISI 4140 Scm440 42CrMo4/1.7225 En19/709m40 Forging Alloy Round Steel 1 AISI 4140 steel introduction AISI 4140 is defined as a low alloy steel which has 1% Cr-Mo as strengthening alloy elements.Compared with AISI 4130, it has a higher carbon content with good balance of strength

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