Bsi bs en 04291 2005

BRITISH STANDARD AEROSPACE SERIES BS EN 4291 2005 Aluminium alloy AL P8090 — Forging stock The European Standard EN 4291 2005 has the status of a British Standard ICS 49 025 20 ?? ? ??????? ? ???????[.]

The European Stand rd EN 4291:20 5 has the status of a

British Stand rd

ICS 4 0 5.2

This Bri sh Stan ard was

published u der the authoriy

of the Stan ards Policy n

Strateg y Commi e

on 6 Octo er 2 0

© BSI 6 Octo er 2 0

This British Stand rd is the oficial Eng lish lang uag e v er ion of EN 4291:20 5

The UK p rticip tion in its pr ep ration was entrusted b Tech ical Commit e

ACE/61, Metal c materials for aerosp ce purposes, to Subcommit e

ACE/61/-/ 24, Lig ht aloy s, which has the r esponsibi ity to:

A l st of org nizations represented on this subcommit e can be obtained on

request to its sec etary

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Sum mary ofpag es

This document comprises a font cov er, an inside f ont cov er, the EN title p g e,

p ges 2 to 6, an inside b ck cov er and a b ck cov er

The BSI copy rig ht notice display ed in this document indicates when the

document was last is ued

Amendm ents is ued sinc publ cation

N ORM E EU ROPÉEN N E

Ju e 2 0

ICS 4 0 5.2

En ls ver sion

Aer ospace ser ies - Aluminium al oy AL-P8090 - For ging stock

Série a r os atiale - Al a e d'aluminium AL-P8 9

-Pro uits d stin s à la forg

L f u d Ra mfa r t - A luminiumle ieru g AL-P8 9

-Sc mie e or material

This Eur op a Sta d r d wa a pr ov d b CEN o 2 A pr il 2 0

CEN memb r s are b u d to c mply with th CEN/CENELEC Inter nal Re ulatio s whic stip late th c n itio s for givin this Eur op a

Sta d r d th statu of a n tio al sta d r d w ith ut a y alteratio Up-o-d te lsts a d biblo r ap ic l refer en e c n er nin s c n tio al

sta d rd ma b o tain d o a plc tio to th Ce tr al Se r eta at or to a y CEN memb r

This Eur op a Sta d r d e ists in thr ee oficial v r sio s (En ls ,Fr en h, Ger ma ) A v r sio in a y oth r la g a e ma e b tr an latio

u d r th re p n ibi ty of a CEN memb r into its own la g a e a d n tifie to th Ce tr al Se r etariat h s th s me statu a th oficial

v r sio s

CEN memb rs ar e th n tio al sta d rd b die of Au tria, Belgium, Cy ru , Cz c Re u lc,De mar k, Esto ia, Finla d,Fr an e,

Ger ma y, Gre c , Hu g r y,Ic la d, Ir ela d,Italy, L tvia, Lith a ia, L x mb ur g,Malta,Neth rla d , Nor w ay,Pola d, Por tu al Slo akia,

Slov enia,Sp in, Sw ed n, Sw itz r l n a d Unite K in d m

E U R OPE A N COMMI T TE E FOR STA N DA R DIZ A T I ON

COMIT EUROPÉ N DE N RMALISATION

EUROPÄISCHES KOMIT E FÜR NORMUN

Management Cente: rue de Sta s r, 3 B-10 0 Brus els

© 2 0 CEN Al rig ts of e ploitatio in a y form a d b a y me n r es r ve Ref No EN 4 91:2 0 : E

2

This d c ume t (E 4 91:2 0 ) h s b e pre are b t he Euro e n Ass c iat io of Aero p c e

Ma ufa t urers - St an ardiz t io (A ECMA-STA N)

Afer e q irie a d v t es c rie o t in a c ord n e wit h t he rule of t his Ass c iat io , t his St an ard h s

rec eiv ed t he a prov al of t he Nat io al Ass ciat io s a d t he Oficial Servic es of t he memb r c ou t rie of

AECMA, prior t o it s pre e t at io t o CE

This Euro e n St an ard s al b giv en t he st at us of a n t io al st an ard, eit her b p blc tio of a id nt ic l

t ex t or b e d rs me t, at t he lat est b De emb r 2 0 , a d c onflct in n t io al sta d rd s al b w it hdraw n

at t he lat est b Dec emb r 2 0

At te t io is drawn t o t he p s ibi t y t hat s me of t he eleme t s of t his d c me t ma b t he s bje t of p te t

rig t s CEN [a d/ or CE ELEC] s al n t b h ld re p n ible for id nt ify in a y or al s c h p t ent rig t s

Ac ordin t o t he CEN/ CENELEC Int ern l R eg lat io s, t he n t io al st an ard org niz t io s of t he folow in

c ou t rie are b u d t o impleme t this Euro e n St an ard: Au t ria, Belgium, Cy pru , Cz c R ep blc,

De mark , Est onia, Finla d, Fra c , Germa y , Gre c , Hu g ry , Ic la d, Irela d, It aly , L t via, Lit hu nia,

L x emb urg, Malt a, Net herla d , Norw ay , Pola d, Port ug l, Slo ak ia, Slov enia, Sp in, Swed n, Swit zerla d

a d t he Unite K in d m

3

Introduction

This st an ard is p rt of th s rie of EN met al c mat erial st an ard for a ro p c a plc t io s Th g n ral

org niz tio of t his s rie is d sc rib d in E 4 5

This st an ard h s b e pre are in a c ord n e wit h E 4 0 -2

This st an ard s e ifie th re uireme t s relatin t o:

A luminium alo A L-P8 9 -

Forgin st oc k

for a ro p c a plc at io

Th folow in refere c ed d c me t s are in is e s ble for th a plc t io of t his d c me t For d t ed

refere c s, o ly t he e it io cit ed a ple For u d t ed refere c s, th lat est e it io of t he refere c d

d c ume t in lu in a y ame dme t s) a ple

EN 2 8 -2, Ae ro s p ace serie s — Alum iniu m alo fo rging sto ck a d forgings — Technic l s pecific tion —

Part 2: Forging s tock

EN 4 5 , Aero s p ace series — Me talc materials — G e ne ral o rga iz tio n o fs ta dardiz tio n — Links b twe n

ty es o f EN sta dards a d their us e

EN 4 0 -2, Ae rosp ace series — Metal c m aterials — Rules fo r drafting a d p resentatio n of m aterial

s ta dards — Part 2: Spe cific rules fo ralu m inium , aluminiu m alo ys a d magnesium alo ys

1)

E 6 18, Aerosp ace series — Test metho s fo rmetalc materials — D eterm in tion ofde nsity a co rding to

displa ement metho

1)



1) Publs ed as AECMA Prestan ard at t he dat e of publcation of t his st an ard

4

Others

Eac h Total

Al

2 Chemic al

c omp sit ion

%

max

0,2 a

0,3 a

1,6 0,10 1,3 0,10 0,2 2,7 0,16 0,10 0,0

a

0,15 Base

Delv er y c n ition

O3 6.1

Use c n it ion

O3

7

Charact eris c s

b

10

Thick nes of c lad ing on

e chfac e

13 Pro f st res R

p,2

c

≥ 3 5 c

≥ 3 0 c

c

≥ 4 0 c

≥ 3 0 c

15 Elong t ion A %

≥ 3 c

≥ 3 c

≥ 1 c

16

T

18 She r st rengt h Rc

2 R upt ure stres σ

R

2

C

Elong tion at

rupt ure

2 Not es (se lne 9 )

a, b, c

5

2 R eferenc he t re t ment −

Delvery c n it ion+ han forged

+ 5 5 °C ≤ θ ≤ 5 5 °C / WQ θ ≤ 3 °C

+ 2 % ≤ c ld defor med ≤ 5 %

+ 17 °C ≤ θ ≤ 18 °C / 2 h ≤ t ≤ 3 h

2 The "c ap bity lau e" a ples

7

ρ ≤ 2,5 k g/d

3

a

Ch mic al a aly se tak en from the molte met al stre m s al e hibit t he folowin maximum

imp rity lev els:

Fe ≤ 0,0 %, Si ≤ 0,0 %, Na ≤ 9 p m Ca ≤ 12 p m

b

Forgin dime sio s a d ma ufac turin p rameters s al b a a re d b t we n in ot s p ler

a d forg ma t er

c

Th "c ap bit y c la s " a ple

6

10 – Prod c t q alfic t ion – Qualfic t ion pro ram e t o b a re db tween man fa turer an purchase

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