STAINLESS STEEL FASTENERS
Chemical properties for Stainless steel fasteners
| Grade | AISI | Chemical Composition (% max ) | ||||||||
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | ||
| A1 | SS 202 | 0.12 | 1.0 | 6.5 | 0.20 | 0.15-0.35 | 16,0 – 19,0 | 0.7 | 5,0 – 10,0 | 1.75-2.25 |
| A2 | SS 304 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 15,0 – 20,0 | 0.0 | 8,0 – 19,0 | 4.0 |
| A3 | SS 321 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 17,0 – 19,0 | 0.0 | 9,0 – 12,0 | 1.0 |
| A4 | SS 316 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 16,0 – 18,5 | 2,0 – 3,0 | 10,0 – 15,0 | 4.0 |
| C1 | SS 410 | 0.09-0.15 | 1.0 | 1.0 | 0.05 | 0.03 | 11,5 – 14,0 | – | 1 | – |
| C3 | SS 431 | 0.17-0.25 | 1.0 | 1.0 | 0.04 | 0.03 | 16,0 – 18,0 | – | 1,5 – 2,5 | – |
| C4 | SS 416 | 0.08-0.15 | 1.0 | 1.5 | 0.06 | 0.15-0.35 | 12,0 – 14,0 | 0.6 | 1 | – |
| F1 | SS 430 | 0.12 | 1.0 | 1.0 | 0.04 | 0.03 | 15,0 – 18,0 | 0.0 | 1 | – |