API 5L Faahfaahinta Beebka Birta Welded
| Alaabta | API 5L ASTM A53 Madow Rinji Alxanka ah Dhuumaha |
| Qalab | Birta Kaarboonka |
| Darajo | Q235 = A53 Fasalka B/A500 Fasalka A Q345 = A500 Fasalka B Darajada C |
| Heerka | API 5L/ASTM A53 |
| Tilmaamaha | ASTM A53 A500 sch10 - sch80 |
| Dusha sare | Madow lagu rinjiyeeyay |
| Dhammaad | Bannaan dhammaad |
| Beveled dhamaado |
API 5L Habka Wax-soo-saarka Dhuumaha Bir Alxan
Nooca 1. Spiral Welded: Tuubooyinka birta ah ee isbiirsadaywaxaa lagu soo saaray alxanka xariijimaha birta ah, samaynta tollayn helical ah. Nidaamkani wuxuu u oggolaanayaa soo saarista tuubooyinka dhexroorka weyn oo badanaa waa mid aad waxtar u leh codsiyada qaarkood.
Dahaarka iyo Daaweynta:Si kor loogu qaado caabbinta daxalka iyo cimri dhererka, tuubooyinkan waxaa laga yaabaa inay maraan dahaar kala duwan iyo habab daawaynta, sida fusion bonded epoxy (FBE) ama dahaarka saddex-lakabka ah ee polyetylen (3LPE).
Nooca 2. Alxanka Caabbinta Korontada (ERW):Cidhifyada xariijimaha birta la sameeyay waxaa lagu kululeeyaa iyadoo la isticmaalayo iska caabin koronto. Cadaadis ayaa markaa lagu dabaqaa si loo isku dhejiyo geesaha, abuurista alxanka adag ee gobolka iyada oo aan loo baahnayn walxo buuxin.
Nooca 3.Alxanka dheer:
Welding Arc Submerged (SAW): Cidhifyada tuubada samaysmay waa la isku lingaxay iyada oo la isticmaalayo habka alxanka arc hoostiisa, kaas oo ku lug leh isticmaalka faashad koronto ah iyo qulqulka granular si loo abuuro alxan tayo sare leh.
Alxanka Arc Laba Jibaaran (DSAW): Tuubbooyinka dhumuc weyn, gudaha iyo dibaddaba waa la alxanayaa, hubinta dhexgalka iyo xoogga dhamaystiran.
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