AISI 309/309S bolt and nut
| AISI Grade Equivalent | JIS Equivalent | Stainless Steel Notation | EN/DIN Numerical Equivalent | UNS designation |
EN/DIN Symbolical Equivalent |
| AISI 309 | SUS309 | SS 309 | EN 1.4828 | UNS S30900 | X15CrNi23-13 |
| AISI 309S | SUS309 S | SS 309S | EN 1.4833 | UNS S30908 | X15CrNiSi20-12 |
