NF L11-204*NF EN 4346:2008 航空航天系列 FE-PM1505(X1CrNiMoAITi12-9-2)型钢 真空感应熔炼和自耗电极再熔炼、软化的锻造坯料 a/D≤300mm
Aerospace series - Steel FE-PM1505 (X1CrNiMoAITi12-9-2) - Vacuum induction melted and consumable electrode remelted, softened, forging stock a or D < or = 300 mm