DIN EN 3973:2007 航空航天系列.FE-CM3801(X5CrNiCuNb16-4)型钢.均匀分布、溶解处理和沉淀淬火.熔模铸造.De≤50mm.Rm≥1030MPa
Aerospace series - Steel FE-CM3801 (X5CrNiCuNb16-4) - Homogenized, solution treated and precipitation hardened - Investment casting - De 50 mm - Rm 1030 MPa; German and English version EN 3973:2006