DIN EN 4721:2014-12
Действует
Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted and electroslag remelted (ESR) - Hardened and tempered - Bar - De <kleiner => 200 mm - 900 MPa <kleiner => Rm <kleiner => 1050 MPa; German and English version EN 4721:2014
— 18 стр.
