| 摘要 |
PURPOSE:To obtain the cast iron for cylinder blocks excelling both in machinability and in wear resistance by blending specific amounts of C, Si, Mn, P, S, Sn, and Co. CONSTITUTION:The cast iron for cylinder blocks consists of, by weight, 3.4-3.9% C, 1.5-2% Si, 0.5-0.9% Mn, 0.08-0.5% P, <0.2% S, 0.02-0.06% Sn, 1.2-6.5% Co, and the balance Fe. This cast iron facilitates the casting and machining of cylinder blocks, so that an integral casting of cylinder blocks is made possible without using any cylinder liner.
|
