British Standards Institution

Source:: CEN
Committee:: ACE/61 - Metallic materials for aerospace purposes
Categories:: Steels
Comment period start date:: 03/04/2025
Comment period end date:: 27/05/2025
Number of comments:: 0

Comment by:

27th May

Scope

This document specifies the requirements relating to:

Steel GX5CrNiCuNb16-4 (1.4525)

Homogenized

Solution treated and precipitation hardenedI

nvestment casting

De ≤ 50 mm

Rm ≥ 900 MPa

for aerospace applications.

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Comment on proposal

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Discard

Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

20/02/2025

3. Public Comments

Public Comments start date:

03/04/2025

Public Comments end date:

27/05/2025

4. Comment Resolution

Comment Resolution start date:

17/08/2026

5. Approval

6. Publication

Publication start date:

05/11/2026

Learn more about the standards development process

Standards Development

BS EN 4216 EN 4216 Aerospace series. Steel GX5CrNiCuNb16-4 (1.4525). Homogenized, solution treated and precipitation hardened. Investment casting. De ≤ 50 mm. Rm ≥ 900 MPa

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