EN 3359:2007 航空航天系列.FE-PM1503(X3CrNiMoAl13-8-2)型钢.a或D≤300mm软化的真空感应熔炼和自耗电极再熔炼锻胚
Aerospace series - Steel FE-PM1503 (X3CrNiMoAl13-8-2) - Vacuum induction melted and consumable electrode remelted, softened, forging stock a or D less than or equal to 300 mm