BS EN 4572:2020,Aerospace series – Heat resisting alloy X12CrNiCoMoW21-20 – Solution treated – Sheets and strips – a<3 mm.
This document is part of the series of En metallic material standards for aerospace applications.
The general organization of this series is described in EN 4258.
This document has been prepared in accordance with EN 4500-003.
BS EN 4572:2020 specifies the requirements relating to:
Heat resisting alloy X12CrNiCoMoW21-20 Solution treated Sheets and strips a≤3mm for aerospace applications
ASD-STAN designation: FE-PA4901.
Normative references
EN 2043, Aerospace series – Metallic materials – General requirements for semi-finished product qualification (excluding forgings and castings).
EN 4700-001, Aerospace series – Steel and heat resisting alloys – Wrought products – Technical specification-Part 001: Plate, sheet and strip.

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