Steel grade 42CrMo4 characteristics

Steel grade 42CrMo4 is an alloy steel for quenching and tempering. Grade 42CrMo4 products are mainly used for the manufacture of machine parts. Steel is made in accordance with the requirements of the DIN EN ISO 683-2 standard (formerly EN 10083-3).

Classification: Heat-treated alloy steel.

Products: Semi-finished products, long products and sheet products, wire rod and forgings.

 

Chemical composition of 42CrMo4, %

С

Si

Mn

P

S

Cr

Mo

Cu

0.38-0.45

0,10-0.40

0.60-0.90

≤0.025

≤0.035

0.90-1.20

0.15-0.30

≤0.40

 

Steel 42CrMo4 analogues

US

4140

EU

42CrMo4

Japan

SCM440H

Sweden

2244

Russia

38ХМ, 40ХФА

 

Application

Steel grade 42CrMo4 is popular in the machine building industry and is used to make high-strength parts of compressors, turbines, working elements of heavy ground and underground equipment, and parts of agricultural machines.

 

Welding

Steel grade 42CrMo4 has low weldability due to high crack sensitivity.

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