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USER GUIDE
MATERIALS AND GRADES

Material Group No. AISI/SAE/ Germany U.K. France Sweden Italy Spain Japan Russia EURONORM

USA

UNS/
ASTM/AA Werkstoff DIN BS AFNOR SS UNI UNE JIS GOST EN
4340;
816 M 6;
7 G43400; 1.6582 34CrNiMo6; 817 M 40 34 CrNiMo 8; 2541 35 NiCrMo 6 KB F.1272 38Ch2N2MA 34CrNiMo6
35 NCD 6
34 CrNiMo 6
4337;
G43370
31CrMoV9;
7 1.8519 31 CrMoV 9 30Ch3MF 31CrMoV9
7 8630 1.6545 30NiCrMo2-2; 30 NCD 2 30 NiCrMo 2 KB
30 NiCrMo 2 2
4340;
7 G43400 1.6580 30CrNiMo8 823 M 30 30 CND 8; 30 CrNi Mo 8 SNCM 431
30 NCD 8
55 C; 20MV6;
7 K01907 1.5217 20MnV6; GR 55; TS E 455 4; 20MnV6;
20 MnV 6 N
Grade 55 TU E 455 4 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
31CrMo12;
8 1.8515 31 CrMo 12 722 M 24 30 CD 12 2240 32 CrMo 12 F.1712; 31CrMo12;
40B
F.124.A
8 1.8161 58CrV4;
58 CrV 4
32CrMo12;
8 1.7361 32 CrMo 12 722 M 24 30 CD 12 2240 30 CrMo 12 F.124.A 32CrMo12
F.128;
8 9840; 1.6511 36CrNiMo4; 817 M 37; 40 NCD 3; 39 NiCrMo 4; F.1280; SUP 10 40ChGNM; 36CrNiMo4
35 NCD 5
39 NiCrMo 4 KB
G98400
36 CrNiMo 4
816 M 40
35 NiCrMo 4 40ChN2MA
6145; 735 A 50; F.143;
6150; 51CrV4; 735 A 51; 50CrV4RR; SUP 10;
8 6150 H; 1.8159 50CrV4; 735 H 51; 50 CV 4; 2230 50 CrV 4 F.143.A; SUP 10-CSP; 50ChFA; 51CrV4
G61500; 50 CrV 4 735 M 50; 51 CV 4 51 CrV 4; SUP 10 M 50ChGFA
F.1430
H61500 En 47
SNC 631;
36NiCr10;
8 3435 1.5736 36 NiCr 10 30 NC 11 SNC 631 H;
SNC 631 M
A128 Grade A; F.240.A;
J91109; X120Mn12;
8 J91129; 1.3401; X 120 Mn 12; BW 10 Z 120 M 12 2183 GX 120 Mn 12 F.240.A1; SCMnH 1; 110G13L
J91139; 1.3403 G-X120 Mn 12 AM-X 120 Mn 12; SCMnH 11
F.8251
J91149
8 4142; 1.2332 47CrMo4 708 M 40 42 CD 4 2244 42 CrMo 4 42 CrMo 4 SCM; 47CrMo4
G41420 SCM 440
4140 H;
8 4140 RH; 42CrMo4+QT
4140 HT
8 1.8705 21MnCr6-5
8
9 1.6659 31NiCrMo13-4 830 M 31 2534 F.270
9 1.5864 35NiCr18
9 1.8715 17MnCr5-3 17MnCr5-3
SL9N520;
SL9N590;
1501-509; STBL 690;
10 K71340; 1.5662 X8Ni9 1501-510; 9 Ni; X 10 Ni 9; F.2645; STPL 690; X8Ni9
K81340 502-650; Z 8 N 09 X 12 Ni 09 XBNi 09 SL9N53;
509-690 SL9N60;
STBL 70;
STPL 70
586 ISCAR