GB steel grades — 1318 designations — Page 14
Every grade designated under GB, with the material number it maps to, what kind of steel it is, its carbon window and how many other standards carry it. Open a grade for its full composition, properties and its designations in other standards. Unless marked, every name here is an asserted identity — the same grade under this standard’s own designation. 24 of 50 rows differ and carry an “Indicative” mark.
Also known as
1318 designations| Grade | Material no. | Category | C% by weight | Also inother standards |
|---|---|---|---|---|
| 55SiMnMoVNb | — | — | 0.52–0.6 | — |
| 55SiMnVB | — | — | 0.52–0.6 | — |
| 56Si2MnCr | — | — | 0.52–0.6 | — |
| 5Cr21Mn9Ni4N Indicative | 1.4871 | Valve steels | 0.48–0.58 | 17 |
| 5Cr2Mn9Ni4N Indicative | 1.4871 | Valve steels | 0.48–0.58 | 17 |
| 5Cr2NiMoVSi | — | — | 0.46–0.54 | — |
| 5Cr3Mn1SiMo1V | — | — | 0.45–0.55 | — |
| 5Cr3MnSiMo1V | — | — | 0.45–0.55 | — |
| 5Cr4Mo3SiMnVAl | — | — | 0.47–0.57 | — |
| 5Cr4W5Mo2V | — | — | 0.4–0.5 | — |
| 5Cr8MoVSi | — | — | 0.48–0.53 | — |
| 5CrMnMo | — | — | 0.5–0.6 | — |
| 5CrNi2MoV | — | — | 0.5–0.6 | — |
| 5CrNiMo Indicative | 1.2714 | Tool steels for hot work | 0.5–0.6 | 15 |
| 5CrNiMo Indicative | 1.2713 | Tool steels for cold work | 0.5–0.6 | 12 |
| 5CrNiMo Indicative | 1.2711 | Tool steels for cold work | 0.5–0.6 | 16 |
| 5CrW2Si Indicative | 1.2550 | Tool steels for cold work | 0.55–0.65 | 15 |
| 5CrW2SiV | — | — | 0.45–0.55 | — |
| 60 Indicative | 1.1221 | Quenched and tempered steels | 0.57–0.65 | 18 |
| 60 Indicative | 1.0601 | Quenched and tempered steels | 0.57–0.65 | 25 |
| 60CrMn | — | — | 0.56–0.64 | — |
| 60CrMnA | — | — | 0.56–0.64 | 2 |
| 60CrMnB | — | — | 0.56–0.64 | — |
| 60CrMnBA Indicative | 1.7190 | Spring steels | 0.58 | 7 |
| 60CrMnMo | — | — | 0.56–0.64 | 3 |
| 60CrMnMoA | — | — | 0.56–0.64 | — |
| 60Mn Indicative | 1.1221 | Quenched and tempered steels | 0.57–0.65 | 18 |
| 60Si2Cr | — | — | 0.56–0.64 | — |
| 60Si2CrA Indicative | 1.7102 | Spring steels | 0.51–0.59 | 14 |
| 60Si2CrV | — | — | 0.56–0.64 | — |
| 60Si2CrVA | — | — | 0.56–0.64 | — |
| 60Si2Mn Indicative | 1.0961 | High-strength multi-phase steels | ≤ 0.18 | 14 |
| 60Si2Mn Indicative | 1.2826 | Tool steels for cold work | 0.58–0.65 | 9 |
| 60Si2Mn Indicative | 1.5028 | Spring steels | 0.6–0.7 | 11 |
| 60Si2Mn Indicative | 1.5027 | Spring steels | 0.56–0.64 | 11 |
| 60Si2MnA Indicative | 1.0961 | High-strength multi-phase steels | ≤ 0.18 | 14 |
| 60Si2MnA Indicative | 1.5028 | Spring steels | 0.6–0.7 | 11 |
| 60Si2MnA Indicative | 1.5027 | Spring steels | 0.56–0.64 | 11 |
| 60Si2MnCrV | — | — | 0.56–0.64 | 1 |
| 65 Indicative | 1.1231 | Spring steels | 0.65–0.73 | 18 |
| 65 Indicative | 1.0612 | Others | 0.63–0.68 | 12 |
| 65Mn Indicative | 1.1240 | Others | 0.6–0.7 | 10 |
| 65Si2MnWA | — | — | 0.61–0.69 | — |
| 68Cr17 | — | — | 0.6–0.75 | — |
| 6Cr4W3Mo2VNb | — | — | 0.6–0.7 | — |
| 6CrMnSi2Mo1V | — | — | 0.5–0.65 | — |
| 6CrW2Si Indicative | 1.2550 | Tool steels for cold work | 0.55–0.65 | 15 |
| 6W6Mo5Cr4V | — | — | 0.55–0.65 | — |
| 70 Indicative | 1.0615 | Others | 0.68–0.73 | 7 |
| 70 Indicative | 1.1231 | Spring steels | 0.65–0.73 | 18 |
This grade’s own name — recorded in our sources as this grade’s own designation under that standard.
Indicative — taken from a published cross-reference table; a close match, not a guarantee of interchangeability. Verify against the mill certificate before ordering.
Withdrawn — designation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.