| 摘要 |
<p>1,236,497. Zn base bearing alloy. A. DACCO [trading as LIASA DEL DOTT. ALDO DACCO.] Nov.3, 1969 [Nov.14, 1968], No.53841/69. Heading C7A. A zinc base alloy consists of: - Co 0À02 - 0À35% electrolytic Cu 2 - 8% and pure Al 12 - 42% the balance being high purity Zn. The alloy may be annealed at 360-390‹C. for 10 to 15 hours and/ or tempered at 220-250‹ C. for 6 to 48 hours. Use:- Bearings.</p> |
