GB steel grades — 1318 designations
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. 23 of 50 rows differ and carry an “Indicative” mark.
Also known as
1318 designations| Grade | Material no. | Category | C% by weight | Also inother standards |
|---|---|---|---|---|
| 008Cr27Mo | — | — | ≤ 0.01 | — |
| 008Cr30Mo2 | — | — | ≤ 0.01 | — |
| 00Cr17 Indicative | 1.4510 | Stainless steels | ≤ 0.05 | 14 |
| 00Cr17 Indicative | 1.4511 | Stainless steels | ≤ 0.05 | 11 |
| 00Cr17Ni13Mo2N Indicative | 1.4909 | High-temperature steels | 0.015–0.03 | 4 |
| 00Cr17Ni14Mo2 Indicative | 1.4435 | Stainless steels | ≤ 0.03 | 20 |
| 00Cr17Ni14Mo2 Indicative | 1.4404 | Stainless steels | ≤ 0.03 | 25 |
| 00Cr17Ni14Mo3 Indicative | 1.4435 | Stainless steels | ≤ 0.03 | 20 |
| 00Cr17Ni14Mo3 Indicative | 1.4404 | Stainless steels | ≤ 0.03 | 25 |
| 00Cr18Mo2 Indicative | 1.4521 | Stainless steels | ≤ 0.025 | 9 |
| 00Cr18Mo2 Indicative | 1.4605 | Heat resistant steels | ≤ 0.03 | 8 |
| 00Cr18Mo2 Indicative | 1.4523 | Others | ≤ 0.03 | 8 |
| 00Cr18Mo2 Indicative | 1.4321 | Others | ≤ 0.03 | 8 |
| 00Cr19Ni10 Indicative | 1.4306 | Stainless steels | ≤ 0.03 | 18 |
| 00Cr19Ni11 Indicative | 1.4306 | Stainless steels | ≤ 0.03 | 18 |
| 00Cr19Ni13Mo3 Indicative | 1.4438 | Stainless steels | ≤ 0.03 | 13 |
| 00Cr20Ni18Mo6CuN Indicative | 1.4547 | Stainless steels | ≤ 0.02 | 7 |
| 00Cr20Ni18Mo6CuN Indicative | 1.4557 | Others | ≤ 0.025 | 3 |
| 00Cr23Ni4N Indicative | 1.4362 | Stainless steels | ≤ 0.03 | 6 |
| 00Ni18Co8Mo5TiAl | — | — | ≤ 0.03 | — |
| 015Cr20Ni18Mo6CuN | — | — | ≤ 0.02 | — |
| 015Cr20Ni25Mo7CuN | — | — | ≤ 0.02 | — |
| 015Cr21Ni26Mo5Cu2 | — | — | ≤ 0.02 | — |
| 015Cr24Ni22Mo8Mn3CuN | — | — | ≤ 0.02 | — |
| 019Cr18CuNb | — | — | ≤ 0.025 | — |
| 019Cr19Mo2NbTi Indicative | 1.4521 | Stainless steels | ≤ 0.025 | 9 |
| 019Cr19Mo2NbTi Indicative | 1.4605 | Heat resistant steels | ≤ 0.03 | 8 |
| 019Cr19Mo2NbTi Indicative | 1.4523 | Others | ≤ 0.03 | 8 |
| 019Cr19Mo2NbTi Indicative | 1.4321 | Others | ≤ 0.03 | 8 |
| 019Cr21CuTi | — | — | ≤ 0.025 | — |
| 019Cr23MoTi | — | — | ≤ 0.025 | — |
| 022Cr11NbTi | — | — | ≤ 0.03 | — |
| 022Cr11Ti | — | — | ≤ 0.03 | — |
| 022Cr12 | — | — | ≤ 0.03 | — |
| 022Cr12Ni | — | — | ≤ 0.03 | — |
| 022Cr12Ni9Cu2NbTi | — | — | ≤ 0.03 | — |
| 022Cr17NbTi | — | — | ≤ 0.03 | — |
| 022Cr17Ni12Mo2 | — | — | ≤ 0.03 | — |
| 022Cr17Ni12Mo2N | — | — | ≤ 0.03 | — |
| 022Cr17Ni13Mo2 | — | — | ≤ 0.03 | — |
| 022Cr17Ni7 | — | — | ≤ 0.03 | — |
| 022Cr17Ni7N | — | — | ≤ 0.03 | — |
| 022Cr18Nb | — | — | ≤ 0.03 | — |
| 022Cr18NbTi | — | — | ≤ 0.03 | — |
| 022Cr18Ti Indicative | 1.4510 | Stainless steels | ≤ 0.05 | 14 |
| 022Cr18Ti Indicative | 1.4511 | Stainless steels | ≤ 0.05 | 11 |
| 022Cr19Ni10 | — | — | ≤ 0.03 | — |
| 022Cr19Ni10N | — | — | ≤ 0.03 | — |
| 022Cr19Ni13Mo3 | — | — | ≤ 0.03 | — |
| 022Cr19Ni13Mo4N | — | — | ≤ 0.03 | — |
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.