Tuubada Birta Kaarboon ee lagu xidho ee wareegsan X60 SSAW Line Pipe
Annagatuubooyinka birta kaarboon ee muquuninta leh ee la weldedwaxaa si gaar ah loogu talagalay inay daboolaan baahida sii kordheysa ee tuubooyinka birta ee dhexroorkoodu weyn yahay. Annagoo adeegsanayna xarigyo bir ah oo cidhiidhi ah iyo adeegsiga tignoolajiyada alxanka ee casriga ah, waxaan ku guuleysannay inaan horumarinno badeeco ka sarreysa tartanka tayada iyo waxqabadka. Agabka ugu muhiimsan ee loo isticmaalo habka wax soo saarka waxaa ka mid ah Q195, Q235A, Q235B, Q345, GR.B, X42, X52, X60, X70 iwm.
| Heerka Caadiga ah | heerka birta | Halabuurka kiimikada | Sifooyinka jilicsanaanta | Tijaabada Saamaynta Charpy iyo Tijaabada Jeexitaanka Miisaanka Dhicista | ||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | CEV4)(%) | Xoogga wax soo saarka Rt0.5 Mpa | Xoogga Laabista Rm Mpa | Rt0.5/ Rm | (L0=5.65 √ S0) Dheelitirka A% | ||||||
| ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | Kale | ugu badan | daq | ugu badan | daq | ugu badan | ugu badan | daq | |||
| 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 saameynta Charpy: Tamarta nuugista saameynta ee jirka tuubooyinka iyo tolmada alxanka waa in la tijaabiyaa sida loogu baahan yahay heerka asalka ah. Wixii faahfaahin ah, fiiri heerka asalka ah. Tijaabada jeexitaanka miisaanka hoos u dhaca: Aagga xiirashada 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 | |||||||
| L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | Gorgortanka | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
| Fiiro gaar ah: | ||||||||||||||||||
| 1) 0.015 ≤ Altot | ||||||||||||||||||
| 2)V+Nb+Ti ≤ 0.015% | ||||||||||||||||||
| 3) Dhammaan darajooyinka birta, Mo waxay noqon kartaa ≤ 0.35%, iyadoo qandaraas la galayo. | ||||||||||||||||||
| Mn Cr+Mo+V Cu+Ni 4) CEV=C+6+5+5 | ||||||||||||||||||
Mid ka mid ah faa'iidooyinka ugu muhiimsan ee tuubooyinkayaga birta ah ee kaarboonka lagu dahaadho ee wareegsan waa cimri dhererkiisa aan la barbar dhigi karin. Tuubooyinkani waxay awood u leeyihiin inay u adkeystaan xaaladaha ugu adag, taasoo ka dhigaysa kuwo ku habboon warshado iyo codsiyo kala duwan. Hadday yihiin kuwo loo isticmaalo tuubooyinka biyaha ee guriga, ujeeddooyin warshadeed ama ujeeddooyin dhisme, tuubooyinkayaga birta ah ee kaarboonka lagu dahaadho ee wareegsan waxaa loogu talagalay inay ka gudbaan filashooyinkaaga.
Marka laga soo tago xoogga iyo cimri dhererka, tuubooyinkayaga birta ah ee kaarboonka lagu dahaadhay ee wareegsan ayaa aad ugu habboon. Qaab-dhismeedkeeda gaarka ah wuxuu u oggolaanayaa rakibid fudud iyo la qabsi la'aan noocyo kala duwan oo tuubooyin iyo nidaamyo tuubooyin ah. Laga bilaabo mashaariicda guryaha yaryar ilaa codsiyada warshadaha waaweyn, tuubooyinkayagu waxay bixiyaan xalal aan kala go 'lahayn oo lagu kalsoonaan karo dhammaan baahiyahaaga tuubooyinka.
Intaa waxaa dheer, waxaan ku faannaa tayada sare iyo kalsoonida tuubooyinka birta ah ee kaarboonka ah ee wareegsan. Tuubo kasta waxaa la mariyaa tijaabo adag iyo tallaabooyin xakameyn tayo leh si loo hubiyo inay buuxiso heerarka ugu sarreeya. Ballanqaadkayaga tayada waxaa ka muuqda qanacsanaanta macaamiisheenna, kuwaas oo ku tiirsan alaabtayada si ay u daboolaan baahiyahooda kala duwan.
Waan ku faraxsanahay inaan soo bandhignoBiibiile xariiq X60 SSAWqayb ka mid ah khadadka wax soo saarkayaga. Iyada oo leh iska caabin daxalka oo la xoojiyay iyo xoog badan, dhuumaha waxaa si gaar ah loogu talagalay in lagu qaado dareere kala duwan, oo ay ku jiraan saliidda iyo gaaska dabiiciga ah. Tuubada khadka X60 SSAW waa markhaati u ah dadaalkayaga socda ee lagu horumarinayo xalal cusub si loo daboolo baahiyaha isbeddelaya ee warshadaha.
Marka la soo koobo, tuubooyinkayaga birta kaarboon ee la isku dhejiyay ee wareegsan waa badeeco heer sare ah oo isku daraysa xoogga iyo cimri dhererka birta kaarboonka iyo dabacsanaanta iyo kala duwanaanta alxanka wareegsan. Awooddeeda ay ku soo saari karto tuubooyin bir ah oo dhexroor weyn leh oo ka samaysan xariijin bir ah oo cidhiidhi ah ayaa ka soocda hababka wax soo saarka tuubooyinka dhaqameed. Hadday tahay tuubooyinka biyaha ee guriga ama codsiyada warshadaha, tuubooyinkayaga birta kaarboon ee la isku dhejiyay ee wareegsan waa doorasho la isku halleyn karo oo loogu talagalay dhammaan baahiyahaaga tuubooyinka. Ku kalsoonow ballanqaadkayaga tayada, hal-abuurka iyo qanacsanaanta macaamiisha oo u ogolow alaabtayadu inay dib u qeexaan khibradaada tuubooyinka.







