ASTM steel grades — 2441 designations — Page 31
Every grade designated under ASTM, 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 indicative cross-reference, not an asserted identity — the grades are close, not interchangeable. 3 of 50 rows differ and carry a “This grade’s own name” mark.
Also known as
2441 designations| Grade | Material no. | Category | C% by weight | Also inother standards |
|---|---|---|---|---|
| A688 | 1.4984 | High-temperature steels / aviation variant | 0.04–0.1 | 4 |
| A688 | 1.4404 | Stainless steels | ≤ 0.03 | 25 |
| A688 | 1.4432 | Others | ≤ 0.03 | 11 |
| A688 | 1.4435 | Stainless steels | ≤ 0.03 | 20 |
| A688 | 1.4495 | Others | ≤ 0.08 | 5 |
| A688 | 1.4406 | Stainless steels | ≤ 0.03 | 8 |
| A688 | 1.4429 | Stainless steels | ≤ 0.03 | 12 |
| A693 | 1.4534 | Special steels for aviation and aerospace | ≤ 0.05 | 4 |
| A693 | — | — | — | 2 |
| A693 | 1.4540 | Others | ≤ 0.06 | 6 |
| A693 | 1.4545 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| A693 | 1.4548 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| A693 Grade 632 | 1.4514 | Others | ≤ 0.09 | 3 |
| A693 Grade 632 | 1.4532 | Stainless steels | ≤ 0.1 | 5 |
| A693 Grade 632 | 1.4574 | Special steels for aviation and aerospace | ≤ 0.09 | 3 |
| A693 Grade XM16 | — | — | — | 2 |
| A705 | — | — | — | 2 |
| A705 | 1.4540 | Others | ≤ 0.06 | 6 |
| A705 | 1.4545 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| A705 | 1.4542 | Stainless steels | ≤ 0.07 | 7 |
| A705 | 1.4548 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| A705 Type XM-12 | 1.4540 | Others | ≤ 0.06 | 6 |
| A705 Type XM-12 | 1.4545 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| A723 Grade 2 | 1.6655 | Special steels for aviation and aerospace | 0.29–0.36 | 4 |
| A723 Grade 2 | 1.6743 | Others | 0.28–0.36 | 4 |
| A738 | 1.4301 | Stainless steels | ≤ 0.07 | 23 |
| A738 | 1.4314 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| A753 This grade’s own name | — | — | — | — |
| A756B50 X47Cr14 This grade’s own name | 1.3541 | Others | 0.43–0.5 | 9 |
| A756B52 X108CrMo17 This grade’s own name | 1.3543 | Bearing steels | 0.95–1.2 | 6 |
| A774 | 1.4301 | Stainless steels | ≤ 0.07 | 23 |
| A774 | 1.4314 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| A774 | 1.4306 | Stainless steels | ≤ 0.03 | 18 |
| A774 | 1.4307 | Stainless steels | ≤ 0.03 | 14 |
| A774 | 1.4404 | Stainless steels | ≤ 0.03 | 25 |
| A774 | 1.4432 | Others | ≤ 0.03 | 11 |
| A774 | 1.4435 | Stainless steels | ≤ 0.03 | 20 |
| A774 | 1.4438 | Stainless steels | ≤ 0.03 | 13 |
| A774 | 1.4541 | Stainless steels | ≤ 0.08 | 25 |
| A774 | 1.4544 | Special steels for aviation and aerospace | ≤ 0.08 | 6 |
| A774 | 1.4546 | Special steels for aviation and aerospace | ≤ 0.08 | 5 |
| A774 | 1.4550 | Stainless steels | ≤ 0.08 | 15 |
| A778 | 1.4306 | Stainless steels | ≤ 0.03 | 18 |
| A778 | 1.4307 | Stainless steels | ≤ 0.03 | 14 |
| A778 | 1.4404 | Stainless steels | ≤ 0.03 | 25 |
| A778 | 1.4432 | Others | ≤ 0.03 | 11 |
| A778 | 1.4435 | Stainless steels | ≤ 0.03 | 20 |
| A778 | 1.4438 | Stainless steels | ≤ 0.03 | 13 |
| A778 | 1.4541 | Stainless steels | ≤ 0.08 | 25 |
| A778 | 1.4544 | Special steels for aviation and aerospace | ≤ 0.08 | 6 |
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.






