| Bohler | C | Si | Mn | Cr | Ni | Mo | V | Others | EN / DIN | AISI | JIS | Typical HRC |
| W300 | 0.38 | 1.10 | 0.40 | 5.00 | 1.30 | 0.40 | 1.2343 | H11 | SKD6 | 42 - 50 | ||
| X38CrMoV5-1 | ||||||||||||
| W302 | 0.39 | 1.10 | 0.40 | 5.20 | 1.40 | 0.95 | 1.2344 | H13 | SKD61 | 44 - 52 | ||
| X40CrMoV5-1 | ||||||||||||
| W303 | 0.38 | 0.40 | 0.40 | 5.00 | 2.80 | 0.55 | 1.2367 | 44 - 52 | ||||
| X38CrMoV5-3 | ||||||||||||
| W350 | 0.38 | 0.20 | 0.55 | 5.00 | 1.75 | 0.55 | patent | 44 - 52 | ||||
| ISOBLOC | ||||||||||||
| W360 | 0.50 | 0.20 | 0.25 | 4.50 | 3.00 | 0.55 | patent | 54 - 58 | ||||
| ISOBLOC | ||||||||||||
| W400 | 0.38 | 0.20 | 0.30 | 5.00 | 1.30 | 0.50 | ~1.2343 | ~H11 | ~SKD6 | 46 - 52 | ||
| VMR | ~X37CrMoV5-1 | |||||||||||
| W403 | 0.38 | 0.20 | 0.25 | 5.00 | 2.80 | 0.65 | ~1.2367 | 46 - 52 | ||||
| VMR | ~X38CrMoV5-3 | |||||||||||
| W750 | 0.02 | 0.20 | 1.40 | 15.00 | 25.00 | 1.25 | 0.30 | Ti 2.50, Al, B | ~1.2779 | ~660 | 32 - 40 | |
| VMR | ~X6NiCrTi26-15 | ~A286 | ||||||||||
| ~1.4980 | ||||||||||||
| ~X5NiCrTi26-15 |
ISOBLOC: ESR 級熱作鋼（經電渣重熔精煉）
VMR: 真空重熔級熱作鋼