Carbon and Alloy Steel Specifications. British and Foreign Standards
| GB BS970 | USA AISI/SAE | Germany W-Nr Din | Italy UNI | Japan GIS | France AFNOR | Spain UNE |
|---|---|---|---|---|---|---|
| 230M07 | 1213 | 1.07159 SMn28 | CF9SMn28 | SUM22 | S250 | F.2111 11SMn28 |
| 070M20 | M1020 M1023 | 1.0402 C22 | C20 C21 C23 | S20C S22C | AF42C20 XC25 1C22 | F.112 1C22 |
| 080M40 | 1040 | 1.0511 C40 | C40 1C40 | - | 1C55 AF60C40 | F.114A |
| 070M55 | 1055 | 1.0535 C55 | C55 1C55 | S55C | 1C55 AF70C55 | - |
| 080A15 080M13 | M1015 M1016 | 1.0401 C15 | C15 C16 1C15 | S15C | XC18 AF37C12 | F.111 |
| 709M40 708M40 | 4140 4142 | 1.7225 42CrMo4 | 38CrMo4KB 42CrMo4 | SCN440 SNB7 | 42CD4 42CrMo4 | F.8332 F.8232 |
| 817M40 816M40 | 4340 4337 | 1.6582 34CrNiMo6 | 35NiCrMo6KB | SNcM447 | 34CrNiMo8 35NCD6 | F.1272 |
| 835M30 | - | 1.6747 30NiCrMo16-6 | - | - | 35NCD16 | F.1260 |
| 655M13 655H13 | 3310 9314 | 1.5752 14NiCr14 | - | SNC815 | 12NC15 14NC12 | - |
| 722M24 | - | 1.7361 32CrMo12 | 32CrMo12 | - | 30CD12 | F.124.A |
| 905M31 905M39 | E71400 G71406 | 1.8509 41CrAlMo7 | 41CrAlMo7 | SACM645 | - | - |