Ku wareeji kaarboonka ee gawaarida birta ee kaararka ah
-Eenawareegga tuubooyinka birta ee khafiifka ahWaxaa si gaar ah loogu talagalay in lagu haqabtiro baahida sii kordheysa ee tuubooyinka birta badan. Adigoo adeegsanaya xargaha cidhiidhiga ah ee birta oo loo adeegsado tikniyoolajiyadda alshanka ee goynta, waxaan ku guuleysanay inaan horumarinno shey sare oo ka sarreeya tartanka marka loo eego tayada iyo waxqabadka. Qalabka ugu weyn ee loo adeegsaday hannaanka wax soo saarka waxaa ka mid ah Q195, Q235B, Q345, Q345, GR.B, X52, X50, X70, X70, X70, X70.
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 |
Mid ka mid ah faa'iidooyinka ugu muhiimsan ee ku saabsan kaarboon gaanyadeena birta birta ah waa mid aan caadi aheyn oo aan caadi aheyn. Tuubooyinkaani waxay awood u leeyihiin inay u adkeystaan xaaladaha ugu daran, iyaga oo ka dhigaya inay ku habboon yihiin warshado iyo codsiyo kala duwan. Haddii loo isticmaalo tuubooyinka biyaha ee guriga, ujeedo warshadeed ama ujeeddooyin dhisme, ujeedooyin dhisme ah, oo nabaryadeena loo yaqaan 'kaarboon bir' ah ayaa loogu talagalay inay ka sarreeyaan waxyaabaha aad ka fileyso.

Ka sokow xoogga iyo cimri-galka, digaagadeena aqal-hoosaadkeena birta ah ee birta aad u badan ayaa ah mid aad u kala duwan. Dhismihiisa gaarka ah waxay u oggolaaneysaa rakibaadda fudud iyo laqabsashada tuubooyinka kala duwan iyo nidaamyada tuujinta. Laga soo bilaabo mashruucyada guryaha yar-yar ee loogu talagalay barnaamijyada waaweyn ee warshadaha, tuubooyinkayagu waxay bixiyaan xalal aan kala go 'lahayn oo lagu kalsoonaan karo dhammaan baahiyahaaga tuubooyinka.
Intaa waxaa sii dheer, waxaan ku faanaynaa nafsadeena tayada sare iyo isku halaynta ee ku saabsan kaararka keydka ee loo yaqaan 'kaarboon bir yar'. Duub kasta wuxuu marayaa lagu baaro adag oo tijaabo ah iyo tillaabooyin xakameyn tayo si loo hubiyo inay buuxiso heerarka ugu sareeya. Balankeenna tayada tayada ayaa ka muuqata qanacsanaanta macaamiisheena, kuwaas oo ku tiirsan badeecadeena si ay ula kulmaan baahiyahooda kala duwan.
Waan ku faraxsanahay inaan soo bandhignoX60 SSAW LINE TIN TINIyada oo qayb ka ah khadkeena wax soo saarka. Feejignaanta iska caabbinta la xoojiyey iyo xoog weyn, dhuumaha waxaa si gaar ah loogu talagalay in lagu qaado cabitaanno kala duwan, oo ay ku jiraan saliida iyo gaaska dabiiciga ah. X60 SSAW Line Ppef Twinz waa Aragtida dadaalkeena socda ee lagu horumarinayo xalka hal-abuurka ah si aan u buuxino baahiyaha isbedelka ee warshadaha.
Marka la soo koobo, aqalkeenna jilicsan ee kaarboonka ah oo ah shey ka sareeya oo isku darka xoogga iyo cimri dhererka birta kaarboon leh ee dabacsanaanta iyo isbadalka alxanka wareega. Awoodda ay u leedahay inay soo saarto tuubooyin badan oo bir ah oo bir ah oo ka soo baxa xargaha cidhiidhiga ah ee birta waxay ka duwan yihiin hababka wax soo saarka Tuuqa ee dhaqanka. Haddii ay tahay tuubbada biyaha ee guriga ama codsiyada warshadaha, arimaha warshadaha, oo aan ku xirneyn kaarboonka tuubbooyin bir ah ayaa ah doorasho la isku halleyn karo oo loogu talagalay dhammaan baahiyahaaga tuubooyinka. Aaminaa dadaalkeenna ka go'an tayada, hal-abuurka iyo qanacsanaanta macaamiisha oo aan u oggolaano in alaabadaasi ay dib u dhigaan khibradaada tuubooyinkaaga.