JIS steel grades — 2322 designations
Every grade designated under JIS, 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. 19 of 50 rows differ and carry an “Indicative” mark.
Also known as
2322 designations| Grade | Material no. | Category | C% by weight | Also inother standards |
|---|---|---|---|---|
| 10S20 | 1.0721 | Free cutting steels | 0.07–0.13 | 15 |
| 10SPb20 | 1.0722 | Free cutting steels | 0.07–0.13 | 5 |
| 11SMn28 | 1.0715 | Free cutting steels | ≤ 0.14 | 14 |
| 11SMnPb28 | 1.0718 | Free cutting steels | ≤ 0.14 | 11 |
| 12SMn35 | 1.0736 | Free cutting steels | ≤ 0.14 | 11 |
| 12SMnPb35 | — | Free cutting steels | ≤ 0.15 | — |
| 17SMn20 | — | Free cutting steels | 0.14–0.2 | — |
| 316Ti Indicative | 1.4571 | Stainless steels | ≤ 0.08 | 18 |
| 35S20 | 1.0726 | Free cutting steels | 0.32–0.39 | 15 |
| 35SMn20 | — | Free cutting steels | 0.32–0.39 | — |
| 420J2 | 1.4028 | Stainless steels | 0.26–0.35 | 18 |
| 44SMn28 | 1.0762 | Free cutting steels | 0.4–0.48 | 20 |
| 46S20 | 1.0727 | Free cutting steels | 0.42–0.5 | 8 |
| 9S20 | 1.0711 | Free cutting steels | ≤ 0.12 | 6 |
| CR4 Indicative | 1.0338 | Unalloyed structural steels | ≤ 0.08 | 18 |
| F SUH 31 Indicative | 1.4873 | Valve steels | 0.4–0.5 | 11 |
| F SUS 317 J5L Indicative | 1.4539 | Stainless steels | ≤ 0.02 | 10 |
| FC10 Indicative | EN-JL1010 | Others | — | 16 |
| FC100 Indicative | EN-JL1010 | Others | — | 16 |
| FC15 Indicative | EN-JL1020 | Others | — | 22 |
| FC150 Indicative | EN-JL1020 | Others | — | 22 |
| FC20 Indicative | EN-JL1030 | Others | — | 22 |
| FC200 Indicative | EN-JL1030 | Others | — | 22 |
| FC25 Indicative | EN-JL1040 | Others | — | 22 |
| FC250 Indicative | EN-JL1040 | Others | — | 22 |
| FC300 Indicative | EN-JL1050 | Others | — | 22 |
| FC35 Indicative | EN-JL1060 | Others | — | 21 |
| FC350 Indicative | EN-JL1060 | Others | — | 21 |
| FCA-Ni 35 | — | Cast iron | ≤ 2.4 | — |
| FCA-NiCr 20 2 | — | Cast iron | ≤ 3 | — |
| FCA-NiCr 20 3 | — | Cast iron | ≤ 3 | — |
| FCA-NiCr 30 3 | — | Cast iron | ≤ 2.5 | — |
| FCA-NiCuCr 15 6 2 | — | Cast iron | ≤ 3 | — |
| FCA-NiCuCr 15 6 3 | — | Cast iron | ≤ 3 | — |
| FCA-NiMn 13 7 | — | Cast iron | ≤ 3 | — |
| FCA-NiSiCr 20 5 3 | — | Cast iron | ≤ 2.5 | — |
| FCA-NiSiCr 30 5 5 | — | Cast iron | ≤ 2.5 | — |
| FCAD1000-5 | — | Cast iron | — | — |
| FCAD1200-2 | — | Cast iron | — | — |
| FCAD1400-1 | — | Cast iron | — | — |
| FCAD900-4 | — | Cast iron | — | — |
| FCAD900-8 | — | Cast iron | — | — |
| FCD(420-10) | — | Cast iron | — | — |
| FCD300LT | — | Cast iron | ≤ 3 | — |
| FCD350-22 | — | Cast iron | — | — |
| FCD350-22L | — | Cast iron | — | — |
| FCD40 Indicative | EN-JS1030 | Others | — | 17 |
| FCD40 Indicative | EN-JS1072 | Others | — | 17 |
| FCD40 Indicative | EN-JS1073 | Others | — | 17 |
| FCD400 Indicative | EN-JS1030 | Others | — | 17 |
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.






