AISI 420/420F Bolt and Nut
Grade Designation
| AISI Grade Equivalent | JIS Equivalent | Stainless Steel Notation | EN/DIN Numerical Equivalent | UNS designation |
EN/DIN Symbolical Equivalent |
| AISI 420 | SUS420J1 | SS 304 | EN 1.4021 | UNS S42000 | X 20 Cr 13 |
| AISI 420F | SUS420F | SS 420F | - | UNS S42020 | - |
