The Co base alloy "605PH" is an ASTM (F90 equivalent) standard material, approved as a medical-use material, which is widely used mainly outside of Japan as a biocompatible material. However, Japan is currently dependent on supply from abroad, and domestic production is not taking place. However, Daido Steel Co., Ltd. and our company have together succeeded in producing the first domestic wire production.
INS605PH (ASTM standard) and NAS604PH composition standard comparison (mass %)
| C | Si | Mn | Ni | Cr | Mo | Co | Fe | W | |
|---|---|---|---|---|---|---|---|---|---|
| INS605PH (ASTM F90) |
0.05 - 0.15 |
≦ 0.40 |
1.00 - 2.00 |
9.00 - 11.00 |
19.00 - 21.00 |
- | Bal. | ≦ 3.00 |
14.00 - 16.00 |
| NAS604PH | 0.10 - 0.15 |
≦ 0.05 |
0.90 - 1.50 |
15.50 - 17.50 |
20.50 - 22.50 |
5.80 - 6.80 |
≧ 40.0 |
Bal. | - |
