EN 3973-
航空航天系列 - 钢 FE-CM3801 (X5CrNiCuNb16-4) - 均质@固溶处理和沉淀硬化 - 熔模铸造 - De ≤ 50 mm - Rm ≥ 1 030 MPa
Aerospace series - Steel FE-CM3801 (X5CrNiCuNb16-4) - Homogenized solution treated and precipitation hardened - Investment casting - De ≤ 50 mm - Rm ≥ 1,030 MPa