42CrMo4 1.7225 AISI 4140 Alloy Steel
Chemical composition
Carbon C: 0.38 ~ 0.45%
Silicon Si: ≤0.40%
Manganese Mn: 0.60 ~ 0.90%
Sulfur S: Allowable residual content ≤0.035%
P: Allowable residual content ≤0.035%
Chromium Cr: 0.90 ~ 1.20%
Molybdenum Mo: 0.15 ~ 0.30%
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Product Introduction
42CrMo4 1.7225 AISI 4140 alloy steel
42CrMo4 is a CrMo steel composite gold structural steel, quenched and tempered alloy steel,
Mainly used in the manufacture of machine parts,
Is the European standard EN ISO 683-2(formerly EN 10083-3) grade,
Chemical composition (%):
C:0.38-0.45,
Si:0.10-0.40,
Mn:0.60-0.90,
P:< = 0.025,
S: < = 0.035,
Cr: 0.90 1.2,
Mo: 0.15 0.30,
Cu: < =0.40.
Equivalent to 42CrMo in China, 4140/4142 in the United States, SCM440 in Japan,
How to make 42CRMO4/DIN1.7225 steel?
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