What is the steel 34CrMo4 equivalent?

Jun 10, 2021

EN 10083-3 34CrMo4 alloy steel description

Grade: 34CrMo4

Number: 1.7220

Classification: Alloy special steel

Standard: EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels

34CrMo4 chemical composition (%, by mass)

С	Si	Mn	Mo	S	P	Cr
0.30 - 0.37	≤0.40	0.60 - 0.90	0.15 - 0.30	≤0.035	≤0.025	0.90 - 1.20

Steel 34CrMo4 equivalent

USA	4135 / G41350
Japan	SCM435
France	42CD4
England	708A37
China	35CrMo

Alloy

Application:

34CrMo4 structural alloy steel is used for the manufacture of pinion gears for large locomotives, booster drives, high pressure vessels, and pinions exposed to load and spring force. It can also be used for joining the drilling pipes of 2,000 m deep and fishing gear, as well as for bending dies.

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