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GRADE OF MATERIALS

NUMERICAL
DESIGNATION
OTHER MARKINGS ACC. TO STANDARDS:
ISO, EN, BS, PN, AISI, DIN, JIS, UNS, STN, GOST and other
1.6511 36HNM, 36CrNiMo4, 9840, 6342H, 40ChGNM, 39NCD3
1.6523 8620, 21NiCrMo2, 805M20
1.6543 20NiCrMo2-2, 8620, 21NiCrMo22, 805A20, 20NiCrMo2, SNCM220H
1.6562 4340, 40NiCrMo8-4, En24, 40NiCrMo7KB, SNB24-1-5
1.6582 34HNM, 34CrNiMo6, 34CrNiMo4, 4337, 4340, 16343, 38Ch2N2MA, 817M40, 35NiCrMo6KB, SNCM447
1.6587 17HNM, 18CrNiMo7-6
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