NS-EN 2540:2018
航空航天系列 钢 X7CrNiAl17-7 (1.4568) 空气熔炼 固溶处理和沉淀硬化 板材和带材 a ≤ 6 mm 1 240 MPa ≤ Rm ≤ 1 450 MPa
Aerospace series - Steel X7CrNiAl17-7 (1.4568) - Air melted - Solution treated and precipitation hardened - Sheet and strip - a ≤ 6 mm - 1 240 MPa ≤ Rm ≤ 1 450 MPa