We provide stainless steel materials followed by ASTM F899-11 standard.
This specification covers the chemistry requirements for wrought stainless steels used for the manufacture of surgical instruments.
| Martensitic stainless steels | |||||
| Grade | Typical Max. hardness in the Annealed condition | Quenching, ℃ | Tempering, ℃ | Hardness, HRC | Typical application |
| 410 | 210 | 1010, Oil/air cool | 260 | 43 | tissue, forceps, dressing forceps, retractors, probes, bone rongeurs, conchotomes, bone cutting forceps, chisels, scissors, scalpels, knives, |
| 410X | 220 | 1024, Oil/air cool | 260 | 46 | |
| 416 | 262 | 982, Oil | 149 | 41 | |
| 416 Mod. | 262 | 982, Oil | 149 | 38 | |
| 420A | 220 | 1010, Warm Oil | 149 | 53 | |
| 420B | 235 | 1038, Warm Oil | 148 | 52 | |
| 420 Mod. | 255 | 1010, Oil quench or pressure gas | 177 | 56/57 | |
| 420X | 262 | 1038, Warm oil | 149 | 52 | |
| 420C | 262 | 1038, Warm oil | 149 | 58 | |
| 420F | 262 | 1038, Warm oil | 149 | 52 | |
| 420F Mod. | 262 | 1038, Warm oil | 149 | 53 | |
| 431 | 285 | 1038, Oil | 260 | 42 | |
| 440A | 285 | 1038, Warm Oil | 149 | 56/57 | |
| 440B | 285 | 1038, Warm Oil | 149 | 58/59 | |
| 440C | 285 | 1038, Warm Oil | 149 | 60 | |
| 440F | 285 | 1038, Warm Oil | 149 | 60 | |
| UNS S42026 | 260 | 1050, oil quench, or pressure gas | 204 | 56 | |
| UNS S42010 | 235 | 1038, Warm Oil | 204 | 50 | |
| Austensitic stainless steels | |
| UNS | Type |
| S30100 | 301 |
| S30151 | |
| S30200 | 302 |
| S30300 | 303 |
| S30400 | 304 |
| S31600 | 316 |
| S31700 | 317 |
| S30430 | XM-7 |
| S28200 | |
| S20161 | |
| S21800 | |
| Ferritic stainless steels | |
| UNS | Type |
| S43020 | 430F |
| S18200 | XM-34 |
| Precipitation hardening stainless steels | |
| UNS | Type |
| S11100 | |
| S17400 | 630 |
| S17700 | 631 |
| S45000 | XM-25 |
| S45500 | XM-16 |
| S13800 | XM-13 |
| S46500 | |
| S46910 | |
Contact Person: Mr. Paul
Tel: 86-510-81812873
Fax: 86-510-81812872
