CASE HARDENING STEELS
MATERIAL No. GERMANY UK FRANCE USA RUSSIA
DIN B.S AFNOR ASTM/SAE GOST
1.5752 15NiCr13 AISI E3310, ASTM A837
1.5860 14NiCr18
1.5919 15CrNi6 4320, 4320H
1.5920 18CrNi8
1.6523 20NiCrMo2-2 805M20, 806M20 20NCD2, 22NCD2 8620 20ChGNM
1.6543 21NiCrMo2-2 805A20 8622
1.6569 17NiCrMoS6-4 815M70 18NCD2
1.6587 17CrNiMo6 820A16 18CND6 4820
1.7131 16MnCr5 527M17, 590M17 16MC4, 16MC5 5115 18ChG
1.7147 20MnCr5 20MC5 5120 20Ch
1.7243 18CrMo4 708M20 18CD4 4118
1.7325 25MoCr4
EN 34 , 665M17
EN 36 , 655M13
1.6657 9310
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