LST EN 4656-2011 航空航天系列 钢 FE-PM1507(X1CrNiMoAlTi12-11-2) 真空感应熔炼和自耗电极重熔 固溶处理和沉淀处理 棒材
Aerospace series - Steel FE-PM1507 (X1CrNiMoAlTi12-11-2) - Vacuum induction melted and consumable electrode remelted - Solution treated and precipitation treated - Bars - a or D ? 200 mm - Rm ? 1520 MPa