Air-hardening steel

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**
Air-hardening steel according to DIN 17200
1.5864 35NiCr18 40NC17 H 1470
1080
1030
885
7 <265
55
1.2601 X165CrMoV12 D2 Z165CDWV12 H 1570
1960
<231
63
H: hardened condition – *Decreases according to the diameter
amplifies (Ø100 – Ø1000)
**Soft condition in HB / hardened condition in HRC