Case Hardening Steels

Forged, Peeled, Hot Rolled
Round

8620(21NiCrMo2) 7mm-600mm
16MnCr5 8mm-400mm
20MnCr5 8mm-400mm
17CrNiMo6 12,30mm-320mm
18CrNiMo7-6 12,30mm-320mm
14NiCr14  41mm-300mm

Technicial Specifications

SAE DIN AFNOR BS Metal No.
8620 21NiCrMo2 20NCD2 805M20 1.6523
5115 16MnCr5 16MC5 590M17 1.7131
5120 20MnCr5 20MC5 1.7147
4317 17CrNiMo6 18NCD6 820A16 1.6587
3415 - 3310 14NiCr14 12NC15 655A12 1.5752