British Standards Institution

Sector: Manufacturing

Overview: Under the direction of ACE/61, to be responsible for all matters relating to the standardisation of wrought and cast heat-resisting alloys for aerospace purposes, with particular reference to the HR series of British Standards and formulating the United Kingdom input to European and international standards organisations where required.

Committee standards activity

In Progress (4)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 2302	Aerospace series - Heat resisting nickel base alloy Ni-Cr20Co3Fe3 - Rp 0,2 ≥ 310 MPa - Sheets and strips 0,25 mm < a ≤ 3 mm Categories: Non-ferrous alloys Approval begins :	Approval
BS EN 2302	Aerospace series - Heat resisting nickel base alloy Ni-Cr20Co3Fe3 - Rp 0,2 ≥ 310 MPa - Sheets and strips 0,25 mm < a ≤ 3 mm Categories: Non-ferrous alloys Approval begins :	Approval
BS EN 2178	British Standard - Aerospace series - Heat resisting alloy FE-PA2501 (X4NiCrMoTi43-13) - Solution treated and precipitated - Bar and section - De < 200 mm Categories: Unclassified documents Public comment begins : 1999-07-02	Public comment
BS EN 2161	Aerospace series - Heat resisting alloy CO-CH1401 (CoCr26Ni11W) - Not heat treated - Precision castings Categories: Titanium Public comment begins : 1999-07-01	Public comment

Published (116)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 4575:2020	Aerospace series. Heat resisting alloy X12CrNiCoMoW21-20. Solution treated and descaled. Sheets and plates. 3 mm < a ≤ 50 mm Categories: Ferrous alloys Published standard begins : 2020-02-26	Published standard
BS EN 4574:2020	Aerospace series. Heat resisting alloy X12CrNiCoMoW21- 20. Solution treated and precipitation treated. Forgings. De ≤ 100 mm Categories: Ferrous alloys Published standard begins : 2020-03-05	Published standard
BS EN 4573:2020	Aerospace series. Heat resisting alloy X12CrNiCoMoW21-20. Solution treated and precipitation treated. Bars and sections. De ≤ 100 mm Categories: Ferrous alloys Published standard begins : 2020-03-02	Published standard
BS EN 4572:2020	Aerospace series. Heat resisting alloy X12CrNiCoMoW21- 20. Solution treated. Sheets and strips. a ≤ 3 mm Categories: Ferrous alloys Published standard begins : 2020-03-03	Published standard
BS EN 4571:2020	Aerospace series. Heat resisting alloy X12CrNiCoMoW21- 20. Solution treated. Bars and sections. De ≤ 100 mm Categories: Ferrous alloys Published standard begins : 2020-02-28	Published standard
BS EN 4570:2020	Aerospace series. Heat resisting alloy X12CrNiCoMoW21-20. Solution treated. Forgings. De ≤ 100 mm Categories: Ferrous alloys Published standard begins : 2020-03-05	Published standard
BS EN 4566:2022	Aerospace series. Heat resisting alloy CO-PH4101 (CoCr20W15N1) -Vacuum melted. Solution treated. Forgings. De < 100 mm Categories: Non-ferrous alloys Published standard begins : 2022-05-16	Published standard
BS EN 4384:2007	Aerospace series. Heat resisting alloy NI-CH1303 (NiCo20Cr20Mo5Ti2Al). Non heat treated. Remelting stock Categories: Steels Published standard begins : 2008-12-01	Published standard
BS EN 4383:2006	Aerospace series. Heat resisting alloy NI-CH2601 (NiCr19Fe19Nb5Mo3). Non heat treated. Remelting stock Categories: Materials. Other Published standard begins : 2007-03-08	Published standard
BS EN 4382:2006	Aerospace series. Heat resisting alloy NI-PH3601 (NiCr22Mo9Nb). Solution treated. Seamless tubes. For hydraulic application. D ≤ 50 mm, a ≤ 3 mm Categories: Materials. Other Published standard begins : 2007-01-24	Published standard

Withdrawn (8)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 3638:2007	Aerospace series. Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15). Consumable electrode remelted. Solution and precipitation treated. Sheet, strip and plate. 0,5 mm ≤ a ≤ 10 mm Categories: Steels Withdrawn begins : 2009-04-23	Withdrawn
BS EN 2174:2017	Aerospace series. Heat resisting alloy FE-PA2602 (X4NiCrTiMoV26-15). Solution treated and precipitation treated. Forgings. De ≤ 100 mm - Rm ≥ 850 MPa Categories: Steels Withdrawn begins : 2018-05-22	Withdrawn
BS 3HR 2:2010+A1:2011	Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy billets, bars, forgings and parts (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) Categories: Materials. Other Withdrawn begins : 2012-07-06	Withdrawn
BS 3HR 2:2010	Aerospace series. Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) Categories: Materials. Other Withdrawn begins : 2011-01-27	Withdrawn
BS 3HR 1:2010	Specification for nickel-chromium-titanium-aluminium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 19.5, Ti 2.2, Al 1.4) Categories: Materials. Other Withdrawn begins : 2016-07-28	Withdrawn
BS 2HR 506:2010	Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy wire: softened (nickel base, Cr 19.5, Co 1.8, Ti 2.5, Al 1.5) Categories: Materials. Other Withdrawn begins : 2020-07-30	Withdrawn
BS 2HR 208:2009	Specification for nickel-chromium-iron alloy plate, sheet and strip: annealed (nickel base, Cr 15.5, Fe 8) Categories: Materials. Other Withdrawn begins : 2019-06-17	Withdrawn
BS 2HR 205:2009	Specification for nickel-copper alloy sheet and strip: annealed (nickel base, Cu 31) Categories: Materials. Other Withdrawn begins : 2019-06-17	Withdrawn

Standards Development

ACE/61/-/48 - Heat Resisting Alloys for Aerospace Purposes

Committee standards activity