Cold Roll 4140 Round Solid
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2016/08/31
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AISI or SAE 4140 grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. Its chemical composition is seen to the right: AISI/SAE 4140 grade is a versatile alloy with good atmospheric corrosion resistance and reasonable strength up to around 600º F (315º C.) It shows good overall combinations of strength, toughness, wear resistance and fatigue strength.