耐热铁素体409HP

耐热铁素体409HP 一般介绍及应用(General description and applications) 409(UNS S40900)钢种是耐热铁素体不锈钢,用以保证汽车排气部件具有良好的耐

腾讯文库耐热铁素体409HP耐热铁素体409HP