Dulmarka tuubooyinka erw/hfw
Tuubbada ERW waa soo gaabinta caabbinta korantada ee tuubooyinka birta alxanka leh, iyo tuubada HFW waxay ka dhigan tahay alxanka soo noqnoqda (HFW) tuubooyinka birta iyo tuubada. Tuubooyinka waxay ka samaysan yihiin gariiradda birta ah iyo tolidda alxanka waxay barbar socotaa tuubada. Waana mid ka mid ah agabka ugu badan ee beeraha, warshadaha, iyo hawlaha dhismaha. Habka wax soo saarka ee tuubada birta ERW waxaa ka mid ah HFW. ERW waxay ku lug leedahay alxanka alxanka hoose, dhexe iyo sare, halka HFW si gaar ah loogu talagalay tuubooyinka alxanka caabbinta koronto ee soo noqnoqda.
Tilmaamaha tuubooyinka erw/hfw
1. Marka la barbar dhigo noocyada kale ee tuubooyinka alxanka, tuubooyinka ERW ayaa ka xoog badan.
2. Waxqabad ka wanaagsan tuubooyinka alxanka ah ee caadiga ah iyo qiimo jaban marka loo eego tuubooyinka aan xidhnayn.
3. Habka wax soo saarka ee tuubooyinka ERW ayaa aad uga ammaan badan kan tubooyinka kale ee alxanka ah.
Qiyaasta tuubooyinka ERW/HFW
Darajo | API 5L GR.B, X80 PSL1 PSL2 AS1163 / 1074, BS1387, ISO65, JIS G3444 / 3445 / 3454 / 3452 API 5CT H40 J55 K55 L80-1 N80 P110 ASTM A53 GR.A / GR.B, A252 GR.1 / GR.2 / GR.3 |
C250 / C250LO / C350 / C350LO / C450 / C450LO EN10219 / 10210 / 10217 / 10255 | |
P195GH / P235GH / P265GH STK290-STK540, STKM11A-STKM14C, STPG370 / STPG410 / S195T S235JRH, S275JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H | |
Cabbirrada | Dhexroor ka baxsan: 21.3-660mm Dhumucda darbiga: 1.0-19.05mm |
Codsiga
● Qalabka dhismaha/dhismaha birta
● Dhismaha birta
● Tuubbada qashinka
● Tuubada birta ah ee deyrka
● Tuubooyinka birta ka hortagga dabka
● Dhuumaha birta ee aqalka cagaaran
● dareeraha cadaadiska hooseeya, biyaha, gaaska, saliidda, tuubada khadka
● Dhuumaha waraabka
● Dhuumaha tareenada