Alloy steel

Alloy Steel

China

USA

Japanese

Germany

ISO

GB

ASTM/AISI

UNS

JIS

DIN

W-Nr

42CrMo

4140

G41400

SCM440

42CrMo4

1.7225

42CrMo4

40CrNiMo

4340

G43400

SNCM439

36CrNiMo4

1.6511

36CrNiMo4

20CrNiMo

8620

G86200

SNCM220

20CrNiMo2

1.6523

20CrNiMo2