EN 4721:2014 Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted and electroslag remelted (ESR) - Hardened and tempered - Bar - De <= 200 mm - 900 MPa <= Rm<= 1050 MPa
This European Standard specifies the requirements relating to: Steel X4CrNiMo16-5-1 (1.4418), air melted and electroslag remelted (ESR), hardened and tempered, bar, De <= 200 mm - 900 MPa <= Rm<= 1050 MPa, for aerospace applications. NOTE Other common designation: AIR: Z 8 CND 17-04.
EN 4721:2014 Referenced Document
EN 2043:2013 Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings)
EN 4050-4:2012 Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4: Acceptance criteria
EN 4258:1998 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use
EN 4500-005:2012 Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 005: Specific rules for steels
EN 4700-002:2010 Aerospace series - Steel and heat resisting alloys - Wrought products - Technical specification - Part 002: Bar and section
EN ISO 643:2012 Steels - Micrographic determination of the apparent grain size*， 2024-04-20 Update
2014EN 4721:2014 Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted and electroslag remelted (ESR) - Hardened and tempered - Bar - De <= 200 mm - 900 MPa <= Rm<= 1050 MPa