42CrMo4 1.7225 AISI 4140 Alloy Steel

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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