| 摘要 |
PROBLEM TO BE SOLVED: To produce a copper alloy free from the generation of casting cracks and cracks at hot working and moreover excellent in mechanical properties and heat resistance. SOLUTION: This copper alloy contains, by weight, 1.8 to 2.3% Fe, 0.01 to 0.1% P, 0.05 to 1.0% Zn, 0.05 to 0.3% Sn, 4 to 100 ppm C, and the balance Cu.
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