MH-SPCo-1 Cobalt Alloy Solid Welding Wire
Standard：AWS A5.21，ERCoCr-C (Co 1).
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It has excellent wear and heat resistance at high temperature.Recommended use for making valve seal inserts , rotating sealing ring, drill heads, cutter edge ,etc.
| Hardness | 51HRC-56HRC |
| number | Co | Cr | W | C | Ni | Mo | Fe | Si | other |
| MH-SPCo-1 Cobalt Alloy Solid Welding Wire | Bal. | 31 | 12 | 2.45 | ≤3 | ≤1 | ≤3 | ≤2 | ≤0.5 |
