Fahmidda Muhiimadda Tayada Tuubada Gaaska Dabiiciga ah: X42 SSAW Pipe, ASTM A139 iyo EN10219
X42SSAWtuubowaa nooc ka mid ah tuubooyinka gaaska dabiiciga ah ee si caadi ah loogu isticmaalo warshadaha saliidda iyo gaaska. Waxaa lagu sameeyaa habka alxanka qulqulka biyaha hoostooda ku jira kaas oo soo saara tuubooyin tayo sare leh oo waara. Tuubada X42 SSAW waxay leedahay xoog sare iyo sifooyin kiimiko oo aad u fiican, taasoo ka dhigaysa mid ku habboon shuruudaha adag ee gaadiidka gaaska dabiiciga ah. Iska caabinteeda aadka u fiican ee daxalka iyo dildilaaca ayaa ka dhigaysa doorashada koowaad ee mashaariicda dhismaha dhuumaha.
ASTM A139waa halbeeg kale oo muhiim u ah tuubooyinka gaaska dabiiciga ah. Qeexitaankani wuxuu daboolayaa tuubo bir ah oo si toosan ama wareegsan loo tolay oo loo isticmaalo gudbinta gaasaska, uumiga, biyaha iyo dareerayaasha kale. Tuubada ASTM A139 waxaa loo yaqaanaa isku hallaynteeda iyo waxqabadkeeda muddada dheer iyadoo la raacayo xaaladaha ugu adag ee hawlgalka. Tuubooyinkan waxaa loogu talagalay inay u adkeystaan cadaadisyada sare iyo isbeddellada heerkulka, taasoo ka dhigaysa kuwo ku habboon gudbinta gaaska dabiiciga ah iyo codsiyada qaybinta.
| Heerka Caadiga ah | heerka birta | Halabuurka kiimikada | Sifooyinka jilicsanaanta | Tijaabada Saamaynta Charpy iyo Tijaabada Jeexitaanka Miisaanka Dhicista | |||||||||||
| C | Mn | P | S | Ti | Kale | CEV4)(%) | Xoogga wax soo saarka Rt0.5 Mpa | Xoogga la jiido ee Rm Mpa | A% L0=5.65 √ S0 Kordhinta | ||||||
| ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | daq | ugu badan | daq | ugu badan | |||||
| API Spec 5L(PSL2) | B | 0.22 | 1.20 | 0.025 | 0.015 | 0.04 | Dhammaan darajooyinka birta ah: Ku darista ikhtiyaariga ah Nb ama V ama isku-darka kasta iyaga ka mid ah, laakiin Nb+V+Ti ≤ 0.15%, iyo Nb+V ≤ 0.06% heerka B | 0.25 | 0.43 | 241 | 448 | 414 | 758 | In la xisaabiyo sida ku cad Qaacidada soo socota: e=1944·A0.2/U0.9 A: Qaybo isdhaafsan bedka muunadda ee mm2 U: Xoogga ugu yar ee la cayimay ee ku jira Mpa | Waxaa jira tijaabooyin loo baahan yahay iyo tijaabooyin ikhtiyaari ah. Wixii faahfaahin ah, fiiri heerka asalka ah. |
| X42 | 0.22 | 1.30 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 290 | 496 | 414 | 758 | ||||
| X46 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 317 | 524 | 434 | 758 | ||||
| X52 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 359 | 531 | 455 | 758 | ||||
| X56 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 386 | 544 | 490 | 758 | ||||
| X60 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 414 | 565 | 517 | 758 | ||||
| X65 | 0.22 | 1.45 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 448 | 600 | 531 | 758 | ||||
| X70 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 483 | 621 | 565 | 758 | ||||
| X80 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 552 | 690 | 621 | 827 | ||||
| Si Mn+Cu+Cr Ni Maya V 1)CE(Pcm)=C+30+20+60+15+10+58 | |||||||||||||||
| Mn Cr+Mo+V Ni+Cu 2)CE(LLW)= C + 6 + 5 + 15 | |||||||||||||||
EN10219waa heer Yurub ah oo qeexaya xaaladaha keenista farsamada ee qaybaha godan ee qaab-dhismeedka ee qabow ee biraha aan dahaarka lahayn iyo birta la jarjaray. Inkasta oo EN10219 aan si gaar ah loogu talagelin tuubooyinka gaaska dabiiciga ah, shuruudaheeda adag ee cimri dhererka, saxnaanta cabbirka iyo sifooyinka farsamada ayaa ka dhigaya doorasho ku habboon mashaariicda dhuumaha gaaska qaarkood. Isticmaalka tuubooyinka u hoggaansama heerarka EN10219 waxay hagaajin kartaa hufnaanta guud iyo cimriga adeegga ee nidaamkaaga qaybinta gaaska dabiiciga ah.
Muhiimadda doorashada tuubooyinka gaaska dabiiciga ah ee tayada leh lama sheegi karo. Tuubooyinka tayada liita ama kuwa aan heerka lahayn waxay khataro waaweyn ku keeni karaan deegaanka, badbaadada dadweynaha iyo isku halaynta guud ee sahayda gaaska. Sidaa darteed, shirkadaha gaaska dabiiciga ah, kuwa ka shaqeeya dhuumaha iyo maareeyayaasha mashruuca waa inay mudnaanta siiyaan isticmaalka agabka dhuumaha ee la xaqiijiyay oo si fiican loo aasaasay sida tuubada X42 SSAW, ASTM A139 iyo EN10219.
Marka la soo koobo,tuubo gaas dabiici ahXulashada waa qayb muhiim ah oo ka mid ah naqshadeynta iyo dhismaha dhuumaha. Tixgelinta tayada, sida xoogga agabka, iska caabbinta daxalka, iyo u hoggaansanaanta heerarka warshadaha, waa inay horseeddaa habka go'aan qaadashada. Iyadoo la dooranayo dhuumaha la isku halleyn karo oo sumcad leh, sida dhuumaha X42 SSAW, ASTM A139, iyo EN10219, daneeyayaashu waxay hubin karaan jiritaanka muddada dheer iyo badbaadada kaabayaasha gaadiidka gaaska dabiiciga ah.
Ugu dambeyntii, waa muhiim in la kala hormariyo isticmaalka dhuumaha gaaska dabiiciga ah ee tayo sare leh kuwaas oo buuxiya heerarka warshadaha isla markaana leh sifooyinka farsamada iyo kiimikada ee lagama maarmaanka ah. Iyagoo dooranaya xulashooyin la isku halleyn karo sida dhuumaha X42 SSAW, ASTM A139 iyo EN10219, hawl wadeennada dhuumaha waxay hubin karaan hufnaanta iyo badbaadada muddada dheer ee nidaamyadooda qaybinta gaaska dabiiciga ah.







