Suurtagalnimada kaarboonka kareemiska galka ah ee tuubbada tuubbada biyaha
1. Fahmitaanka qunyar-gaaga tuubboodka birta ah
Wareer xargaha kaarboonka ee kaararka birtawaa mid si fiican loo abuuray oo laga soo dajiyey silsilado bir ah. Hawsha wax soo saarka ee gaarka ah ayaa ka dhigeysa tuubooyinkan inay sii xoogaystaan oo aad u waarayaan, oo awood u leh inay u adkeystaan cadaadisyo gudaha iyo dibedda ah. Awoodda loo yaqaan 'Awoodda loo yaqaan' Awoodda '' iyo isqabinta sidoo kale waxay ka dhigeysaa mid ku habboon codsiyada fara badan, oo ay ku jiraan tuubooyinka biyaha iyo alxanka birta.
Caadi ah | Fasalka birta | Ka kooban kiimikada | Guryaha TSensile | Tijaabada wadnaha ee tijaabada ah oo tijaabada miisaanka ee miisaanka | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Cev4) (%) | Rt0.5 MPA | Rm mpa spa tensile xoog | Rt0.5 / rm | (L0 = 5.65 √ s0) codka a | ||||||
dixiri | dixiri | dixiri | dixiri | dixiri | dixiri | dixiri | dixiri | Kale | dixiri | min | dixiri | min | dixiri | dixiri | min | |||
L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Tijaabada Therpy Saamaynta: Saamaynta Wax ka qabashada tamarta ee Pipe-ka iyo Send Weld waa la baari doonaa sida loogu baahan yahay heerka asalka ah. Faahfaahinta, ka eeg heerka asalka ah. Tuur Imtixaanka Miisaanka Ilkaha: Aagga Ikhtiyaariga Ikhtiyaariga ah | |
GB / T9711-2011 (PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555mbb | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1) 2) 3 | Waan-waan | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Xusuusin: | ||||||||||||||||||
1) 0.015 ≤ attet <0.060; n ≤ 0.012; 2-1; CU ≤ 0.30; CR ≤ 0.30; | ||||||||||||||||||
2) v + nb + ti ≤ 0.015% | ||||||||||||||||||
3) Dhamaan fasalada birta, Mo waxaa laga yaabaa in ≤ 0.35%, qandaraas. | ||||||||||||||||||
MN Cr + mo + v Cu + Ni 4) Cev = c + 6 + 5 + 5 |
2. Tubbada khadka biyaha:
Nidaamyada qaybinta biyaha, gaarsiinta nabdoon oo hufan ee biyo nadiif ah oo nadiif ah ayaa muhiim ah. Truqu Carbon Steel oo bir ah oo bir ah oo bir ah ayaa cadeeyay inuu yahay doorasho la isku halleyn karo oo loogu talagalay tuubooyinka biyaha sababo la xiriira guryahooda-u adkaysta. Dusha sare ee jilicsan ee tuubooyinkan ayaa yareynaya kala-baxa, hubinta qulqulka biyaha joogtada ah iyo yareynta qalalaasaha. Intaa waxaa sii dheer, xoogga dhaxalka iyo cimriga dammaanadda dammaanadda kahortaga daadashada, biririfta, iyo guul darrooyinka dhismayaasha, hubinta in la sii wado, biyo la isku halleyn karo.
3. Qalabka birta ah:
Wershanka alxanka wuxuu si aad ah ugu tiirsan yahay sidii loo diyaarin karaa tuubbada kareegta ee loo yaqaan 'kaarboon birnbon' ah oo loogu talagalay codsiyo kala duwan. Xoogga gaarka ah iyo dabacsanaanta tuubooyinkan waxay ka dhigaan mid ku habboon alxanka birta. Haddii dhisidda haamaha wax lagu keydiyo, dhuumaha si loo qaado saliida iyo gaaska, ama qaybaha qaab-dhismeedka ee ku jira goobaha warshadaha, xargaha khafiifinta kaararka birta ee loo yaqaan 'conbon' Isku-darka kala goysyada qunsulka leh waxay hubisaa isku halaynta iyo badbaadada qaab-dhismeedka, yareynta baahida loo qabo dayactir ama dayactir soo noqnoqda.

4. Faa'iidooyinka iyo faa'iidooyinka:
4.1 Xalka ugu waxtarka badan: Fududeeyaha karbohayd haboon birta ee kaararka birta ah ayaa bixiya xalka qiimaha wax ku oolka ah ee tuubbada biyaha iyo alwaaxda birta. Socdaalkooda iyo iska caabbigooda isku-darka ah waxay xaqiijinayaan nolol aad u dheer, sidaa darteed yareynta kharashka beddelaadda iyo kharashyada dayactirka.
4.2 Si sahlan loo rakibo Qaab-dhismeedkan qulqulaya wuxuu fududaynayaa nidaamka rakibaadda, keydinta waqtiga iyo dadaalka.
4.3 Privity: Squiral World Cayrta Karbon oo bir ah ayaa lagu heli karaa dhexroor dhexroor iyo dhumucyo kala duwan, oo u oggolaanaya in lagu waafajiyo codsiyada kala duwan. Waxaa loo habeyn karaa inay buuxiyaan shuruudaha mashruuca gaarka ah, la qabsashada cabitaanno kala duwan, cadaadisyo iyo heerkul.
4.4 Badbaadinta Deegaanka: Kaararka kaarboon gawaarida waa shey dib loo isticmaali karo oo gacan ka geysanaya joogtaynta deegaanka. Tuubbada loo yaqaan 'spiral ground kaarboon birta' loo yaqaan 'pripes' oo la dib-u-warshadayn karo oo dib loo isticmaali karo, yareynta qashinka iyo ilaalinta kheyraadka dabiiciga ah.
Gunaanad:
Awoodda iyo faa'iidooyinka ku saabsan kaarboonka kaararka garka leh ee tuubooyinka biyuhu ku jiraan tuubbada biyaha iyoWeelka birtalama qiyaasi karo. Beddelka biyaha iyo kuwa la isku halleyn karo ee biyaha iyo cabitaannada warshaduhu waxay si weyn ugu tiirsan yihiin cimrigooda, iska caabbinta jiifka iyo fududeynta rakibaadda. Maaddaama baahida loogu talagalay kaabayaasha adag ee qiimaha-wax ku oolka ah ay sii kordhayaan, oo ku faafaysa caleenta kaarboon bir ah ee loo yaqaan 'kaarboon bir'