| Steel designation | Chemical composition, % by mass | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steel Name | Steel Number | C | Si max. | Mn | P max. | S | Cr | Cu | Mo | Nb | Ni | Others | |
| X90CrMoV18 | 1.4112 | 0,85 to 0,95 | 1,00 | ≤ 1,00 | 0,040 | ≤ 0,030b | 17,0 to 19,0 | - | 0,90 to 1,30 | - | - | V: 0,07 to 0,12 | |
| Steel designation | Thickness t or diameter a d | Heat treatment conditionb | Hardness | 0,2 %-proof strength | Tensile Strength | Elongation after fracture | Impact energy (ISO-V) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steel Name | Steel Number | mm | HBc max. |
Rp0,2d MPa*) min. |
R m d MPa*) |
Ad % min. |
KV J min |
||||||||
| (long.) | (tr.) | (long.) | (tr.) | ||||||||||||
| Special grades | |||||||||||||||
| X90CrMoV18 | 1.4112 | ≤ 100 | +A | 265 | - | - | - | - | - | - | |||||
| a Width across flats for hexagons. | |||||||||||||||
| b +A = annealed, +QT = quenched and tempered. | |||||||||||||||
| c Only for guidance. | |||||||||||||||
| d For rods, only the tensile strength values apply. | |||||||||||||||
| *) 1MPa = 1 N/mm². | |||||||||||||||