The cylinder liner null graphite which uses the casting manner of the cast iron which includes the A die graphite and the cast iron which includes that A die graphite and the cast iron which includes its

摘要

PROBLEM TO BE SOLVED: To provide a cast iron material having cutting performance more excellent than that of the conventional cast iron material, and suitable particularly for a cylinder liner.;SOLUTION: The cast iron has a composition comprising, by mass, 2.9 to 3.6% carbon, 2.0 to 2.5% silicon, 0.5 to 1.0% manganese, 0.03 to 0.3% phosphorous, 0.01 to 0.13% sulfur, 0.03 to 0.6% copper, 0.03 to 0.3% chromium, 0.001 to 0.3% tin and/or 0.001to 0.2% antimony, and the balance iron with inevitable impurities, and comprises A type graphite having a cast iron structure shown in figure. Then, a cylinder liner of high quality using the cast iron comprising A type graphite is provided.;COPYRIGHT: (C)2008,JPO&INPIT