Nitrided steels

Material N° DIN NBN ASTM SAE BS AFNOR Condition Rm in N/mm2* Re in N/mm20.2) σb in N/mm2 Rek A % E in N/mm2 x 103 Material hardness
**
Nitrided steel according to DIN 17211
1.8515 31CrMo12 31CrMo12 722M24 30CD12 V/H 900
1130
800 11 248
850
1.8519 31CrMoV9 V/H 900
1200
800 1050 11 248
800
1.8521 15CrMoV5.9 V/H 900 750 10 248
800
1.8507 34CrAlMo5 34CrAlMo5 905M31 30CAD6.12 V/H 850
1000
780 14 248
1000
1.8550 34CrAlNi7 V/H 900
1050
650 12 245
1000
1.8405 34CrAl6 V/H 800
950

1000
V/H: refined and nitrided condition – *Decreases according to the diameter
amplifies (Ø100 – Ø1000)
**Soft condition in HB / hardened condition in HV3