DIN EN 4630-2014 航空航天系列.X4CrNiMo16-5-1(1.4418)型钢.空气熔炼.淬火和回火.锻件.De≤200mm.900MPa≤Rm≤1050MPa;德文版本EN 4630-2014
Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted - Hardened and tempered - Forgings - D e <= 200 mm - 900 MPa <= R m <= 1050 MPa; German and English version EN 4630:2014