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Corten B birta
Corten B birta
Corten B birta
Corten B birta

Corten B birta

Corten B, oo ah calaamadda walxaha birta cimilada, birta u adkaysata cimilada ama daxalka u adkaysta birta. Xataa, dadka qaar waxay ugu yeedheen dhammaan birta cimilada sida Corten Steel. Birta Corten B waxa ay ka bilaabatay Waqooyiga Ameerika
hordhaca alaabta
Corten B birta
ASTM Corten B ee darajada birta ah waa badeecooyin kulul oo duuban oo ah birta qaab dhismeedka xaaladaha gaarsiinta farsamada iyadoo la wanaajiyey iska caabinta daxalka atmospheric.
Corten B – bir cimilada u adkaysata oo ku habboon dhismayaasha culus iyo kuwa rarka.
Maaddadu waxay samaysaa lakab difaac u gaar ah marka ay la kulmaan walxaha jawiga. Asal ahaan, lakabka sare wuu daxaleeyaa ka dibna wuxuu ilaaliyaa birta ka hooseysa. Dhammaystirka dabiiciga ah caadi ahaan uma baahna nooc kasta oo dayactir ah sida rinjiyeynta, taas oo ka dhigaysa agabka mid qiimo sare leh oo wax ku ool ah oo beddelka birta qaabdhismeedka kale.
Rinjiyeynta iyo dayactirka ayaa loo baahan doonaa haddii qaabdhismeedku si joogto ah u qoyan yahay maadaama lakabka ilaalintu aanu samaysan doonin. Tusaalaha wanaagsani waa halka salka qaab-dhismeedka uu la kulmo dhulka ama qayb ahaan la quusiyo.


Darajooyinka & Wax u dhigma
Corten EN 10025-5:2004
Corten B S355J2W
Xogta Farsamada
Qaybaha Kiimikada
Darajo C Si Mn P S Cu Ni Cr V N
Corten-A 0.12 0.25-0.75 0.20-0.50 0.07-0.15 0.03 0.25-0.55 0.65 0.50-1.25
Corten-B 0.16 0.30-0.50 0.80-1.25 0.03 0.03 0.25-0.40 0.4 0.40-0.65 0.02-0.10


ASTM Corten B Birta  Guryaha Makaanikada:
Heerkulka qolka ee taarikada ≥3mm dhumucdiisuna tahay (tijaabada tijaabada transverse, marka loo eego EN 10002). Shuruudaha taarikada duuban ee kulul ≤3mm dhumucdiisuna waxay tahay EN 10025-5
 
Darajo
Dhumucda
(mm)
Xoogga Wax-soo-saarka
MPa(daqiiqo)
Xoogga Jilicsan
MPa
Dheeraynta
% (min)
Corten
B
≤16 355 470-630 20
>16≤50 345


1 Mpa = 1N /mm2
Tamarta saamaynta waxa lagu go'aamiyaa muunadyada tijaabada dheer ee ISO-V heerkul ah -20°C celcelis ahaan saddex imtixaan. Dhumucda badeecada ≥10mm celceliska qiimaha waa ugu yaraan 27 J. Dhumucdiisuna waxay u dhaxaysaa 10mm iyo 6mm, qiimaha saamaynta ugu yar ayaa loo dhimay si la mid ah ballaca muunada ( dhumucda alaabta).

Corten B Steel Delivery state

Kulul duuban, Qabow duuban, Caadiyan, Demiyay, Heerkulka, Habka Xakamaynta Makaanikada Kulul (TMCP), Farsamada Dib-u-soo-celinta Electroslag, Imtixaanka HIC.

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