MATERIALS AND GRADES Material Group No. USER GUIDE USA Germany U.K. France Sweden Italy Spain Japan Russia EURONORM AISI/SAE/ UNS/ ASTM/AA Werkstoff DIN BS AFNOR SS UNI UNE JIS GOST EN HY-80; HY 80; 6 HY80; K31820; MIL-S-21952 605 M 36; 6 En 16; En 16T 4130;4130 H;74130 RH;1.7218G41300;H4130025CrMo4;25 CrMo 4;GS-25 CrMo 4;708 A 2525 CD 4G 25 CrMo 4 SCM 420 TK;222525 CrMo 4;25 CrMo KBF.222;F.1256SCM 430 M;SCM 430 RCH;SCM 430 TK;20ChM;30ChMSTKS 125CrMo4 7 1.8070 21CrMoV5-11;21 CrMoV 5 11 35 NiCr 9 7 1.7755 GS-35 CrMoV 10 4;G35 CrMoV 10-4 7 1.7733 24CrMoV5-5 20 CDV 6 21 CrMoV 5 11 4340;4340 H;9850;7G43400;1.6565G98500;40NiCrMo6;817 M 40;40 NiCrMo 6En 24H43400;K23028 SNB 24-1;SNB 24-2;F.1275;SNB 24-3;40 NiCrMo 7SNB 24-4;40Ch2N2MA40NiCrMo6SNB 24-5;SNCM 439 RCH 8640; 8640 H; 8740; 8740 H;8742;7G86400;1.6546G87400;40NiCrMo2-2;40 NiCrMo 2 2G87420;40 NCD 2;40 NCD TS 40 NiCrMo 2 DF;40 NiCrMo 2;F.1205;SNCM 240;40 NiCrMo 2 KBF.1204;SNCM 240 RCH38ChGNMTO.E H86400; H87400; K11640 8617; 8617 H; 8620; SNCM 220; 8620 H;8620 RH;78617;1.6523G86170;G86200;20NiCrMo2-2;21NiCrMo2;21 NiCrMo 2805 H 20;805 M 20;806 M 20;20 NCD 2En 362250620 NiCrMo 220 NiCrMo 2;20 NiCrMo 3-1;F.1522;F.1534SNCM 220 H;SNCM 220HRCH;SNCM 220 M;SNCM 220 RCH;20ChGNM20NiCrMo2-2 H86170; SNCM 21 H H86200; K12147 7 1.5755 31NiCr14;31 NiCr 14653 M 31 18 NC 13 7 3135 1.5710 36NiCr6;36 NiCr 6640 A 35 35 NC 6 SNC 236 36NiCr6 4340; 7 G43400;4337; 1.6582 34CrNiMo6;34 CrNiMo 6816 M 6;34 CrNiMo 8;817 M 4035 NCD 6254135 NiCrMo 6 KBF.1272 38Ch2N2MA 34CrNiMo6 G43370 7 1.8519 31CrMoV9;31 CrMoV 9 30Ch3MF 31CrMoV9 7 8630 1.6545 30NiCrMo2-2;30 NiCrMo 2 2 30 NCD 2 30 NiCrMo 2 KB 7 4340;G43400 1.6580 30CrNiMo8 823 M 30 30 CND 8;30 NCD 8 30 CrNi Mo 8 SNCM 431 7 K01907 1.5217 20MnV6;20 MnV 6 N 55 C; 20MV6;GR 55;TS E 455 4;Grade 55TU E 455 4 20MnV6;S460 300M; 7 4340M; 1.6928 41SiNiCrMoV7-6 S 155 K44220 40CrMoV13-9; 8 1.8523 39CrMoV13-9; 897 M 39 36 CrMoV 12 40CrMoV13-9 39 CrMoV 13 9 8 1.8515 31CrMo12;31 CrMo 12722 M 24 30 CD 12 2240 32 CrMo 12 F.1712;F.124.A 31CrMo12;40B 506 ISCAR