| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ferritic spheroidal graphite cast iron excellent in thermal fatigue characteristics, and an exhaust system part of an automobile using the same. <P>SOLUTION: The ferritic spheroidal graphite cast iron comprises, by mass%, 3.0-3.6% C, 4.0-4.4% Si, 0.3-0.7% Mo, 0.2-0.5% V, 0.08-0.66% Ta and the balance being Fe and unavoidable impurities. <P>COPYRIGHT: (C)2012,JPO&INPIT |
