ASTM Kovar
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | |||
| Si | 0.20 | |||
| Mn | 0.50 | |||
| Ni | 29.00 | |||
| Cr | 0.20 | |||
| Al | 0.10 | |||
| Cu | 0.20 | |||
| Ti | 0.10 | |||
| Fe | 53.00 | |||
| Mo | 0.20 | |||
| Co | 17.00 | |||
| W | ||||
| Mg | 0.10 | |||
| Zr | 0.10 |
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