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| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Lighter Flint Alloy (Pyrophoric) |
| 配制方法： |
Mischmetal with 12 to 17% zinc is extruded at 380 to 400'C. at 4100 to 4800 kg. per sq.in. The pyrophoric properties are improved by the addition of 2 to 4% cadmium and 1.5% copper. The alloy is chill cast at 100 to 500'C. |
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