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This standard specifies the requirements relating to steel, X4CrNiMo16-5-1 (1.4418), air melted and tempered forgings, De ≤ 200 mm, 900 MPa ≤ R m ≤ 1 050 MPa, for aerospace applications. Other common designations: AIR MELTED: Z 8 CND 17-04. The committee responsible for this standard is NA 131-01-01 AA "Stähle" ("Steels") at DIN.
This document replaces DIN EN 4630:2008-04 .
This document has been replaced by: DIN EN 4630:2024-10 .