BRITISH STANDARD AEROSPACE SERIES BS 2B 30 2001 Incorporating Corrigendum No 1 Copper beryllium alloy strip, foil and parts (solution treated, cold rolled half hard and precipitation treated) ICS 49 0[.]
Trang 1Copper-beryllium a lloy
ICS 4 0 5.1 ; 4 0 5
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be n pre pa red u de the
dir ction of the Engine ring
Se to Po licy and Strateg
Co mmitee , was publshed
u de the authoity of the
Sta nd rds Polcy and Strateg
Commite
on19De embe 2 01
The pr ep r ati on of this British Sta nda rd wa s entr usted to Tech i ca l
Commit e ACE/ 16, W r oug ht and cast co p r a ll oy s a nd mis el la ne us
metall i cmater ia l s for a r osp ce, up n whi ch the fol lowi ngb d ies were
re resented :
Br itish Non-Ferr ou s Metals Fed er ation
Co p r De el opm ent As ocia ti on
Ministr y of Defence
Soci ety of Br i ti sh Aerosp ce Compa nies Ltd
Trang 3â BSI 1 Octobe 2 0
i
Pag e
Ta le 1 Technical r eq i r ements for Cu-Be all oy str i p, foi an pa rts
( solu ti ontre ted , coldr oll ed : hal f ha rd an pr ecipi ta tiontr eated ) 2
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Trang 4This Bri tish Standar d has b en pr ep r ed by Technical Commit e ACE/ 16
I sup r sed es BSB3 :1 9 , whi ch i s wi th r awn
This new edi ti on i ncor porates tech ica l cha ng es onl y I do s not r epr esent a fu
r ev i ew or r ev i sion of the stand ar d , which wi ll b u nder ta ken i n d ue cour e
The fol lowin chang s ha e b en inclu ded in this edi ti on ofthe stan a r d A new
subcla use3.4 ha s b en add ed, sp cifyin the req irements for p rts; in Ta le 1,
li ne6.1, the qu enchin d etai ls hav e b en mod ifi ed an in Table 1, l in e1 , k has
b en sp cified
W AR NI NG Thi s Bri tish Stand ard cal ls for the use of substances and / or
pr oced ur es that ma b i njuri ous to hea lth if adeq ate precauti ons a re not taken
I r efer on ly to tech i cal sui ta bii ty an d oes not a sol v e the user fom l eg al
o li g ati ons r el ati ng to he l th an safety at an stag e
This publi ca tion d oes not pur por t to i nclud e al l the neces a ry prov isi ons of a
contr act User are r esp nsible for its corr ect a plcati on
Com planc with a British St andard does not ofit elf conf r im munity
fom leg al o lg at ions
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1
This Br i ti sh Sta nda rd sp ci fies the insp cti on an testing pr ocedu res, chemi ca l comp siti on, he t
tr eatment an mecha nical pr op r ties for a preci pitati on har dening co p r-b r yll i um a lloy sup li ed i n the
for m of stri p an foi The materi al is sup l ied in the sol ution tre ted an col d r oll ed cond i ti on for
pr eci pitati on tr eatment a fter conv er sion i nto pa r ts
The fol lowin normati v e documents contain pr ovisions w hich, thr oug h refer ence i n this te t, constitute
pr ovisi ons of thi s Br itish Stan a rd For dated r eferences, a ny subseq ent amend ments to, or r ev i si ons of,
any ofthese publi ca tions d o not a pply For u d ated r eferences, the latest ed i tion of the publ ication r eferr ed
to a ples
BS5 5 , Spe c ific ation for SI u its a d re commend ation s for the us of the ir mult iple s and of c rtain othe r
u its
BS5 7 -0, Spe ificat ion for qu nt itie , u it s and symb ls Part0: G eneral princ iples
BSB1 0, Proc d u re for inspe c ti on, te t in g and ac cepta c e ofwrou ht co pe r allo s
BSEN1 5 , Co pe r a d co pe allo s St ripfor sprin s and conn ec tors
3.1Mater i al to this stand ar d shal l confor m to the tech ical r eq ir ements sp ci fi ed in Ta le 1 Al mater ia l
sup led shal confor m to the r eq i rements a pr opr ia te to its d imensions a nd con ition as sp ci fied i n the
stand ar ds g i ven i n l i es 5 a nd9 ofTa ble 1
3.2 Sy mb l s an u i ts used in Ta l e 1 shal l b i nter pr eted in a ccor d ance w i th BS5 5 an BS5 7 -0
N OTE T e fo mat of Ta le 1 and the symbols us d in this ta le a re deived fr m prEN4 0 -1:19 6
3.3 For the pur poses ofthi s stand ar d, a b tch is d efined as ma ter ial of the same nominal cr os -sectional
di mensions, fom the same cast, ma nufactu red b the sa me r oute an he t tr eated tog ether
3.4 Par ts shal b sup led in the sol uti on tr ea ted, cold r oll ed an pr eci pi tation tre ted con i tion
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Trang 6Ta le 1 Te hnical r q ir m ent for Cu- Be alo s rip, foi and part (solut iontr ated,
col d roll ed: half hard andpr cipitat iontr ated)
+Fe
6.1 Delve y c n i on Solution tr ated and c old r led ( H)
7 Use c n i on Solution tr ated, cld r led a nd pr cipitation trated
+ 315 C 3 0 C/t = 2h/A
Cha racte istcs
1 Thick es of cla ddin on ea ch fac %
1
Tensie
p.2
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Stan dards publcat ions
pr EN4 0 -1:1 9 , R ule s for d raftin and pr se ntation of mate rial sta d rd s Part1: G e neral rule s
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