| Khoom | Hluav taws kub Sprinkler Steel Pipe |
| Khoom siv | Carbon Steel |
| Qib | Q195 = S195 / A53 Qib A Q235 = S235 / A53 Qib B / A500 Qib A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Qib B Qib C |
| Txuj | GB / T3091, GB / T13793 API 5L, ASTM A53, A500, A36, ASTM A795, API 5L |
| Specifications | ASTM A795 sch10 sch30 sch40 |
| Nto | Painted dub los yog liab |
| Xaus | Plain xaus |
| Grooved xaus |
Standards thiab Requirements
Cov Khoom Siv thiab Kev Tsim Kho: UL-certified kav yog tsim los ntawm cov hlau zoo uas ua tau raws li cov khoom siv tshwj xeeb thiab cov khoom siv kho tshuab.
Kev ntsuas siab: Cov kav dej no yuav tsum tiv taus cov kev kub ntxhov siab hauv cov tshuab tua hluav taws.
Corrosion Resistance: UL cov qauv muaj xws li kev ntsuam xyuas kev tiv thaiv corrosion kom ntseeg tau tias cov kav dej tuaj yeem tiv taus ib puag ncig hnyav.
Kev Ntsuas Dej thiab Lub Zog: Cov kav dej tau txais kev sim nruj heev rau kev xau, tawg lub zog, thiab kev ua haujlwm zoo.
Kev txheeb xyuas
UL Mark: Nrhiav cov ntawv pov thawj UL ntawm cov yeeb nkab, uas qhia tias ua raws li UL cov qauv.
Cov ntaub ntawv sau npe: Daim ntawv lo feem ntau suav nrog cov chaw tsim khoom lub npe, cov yeeb nkab loj, qhov ntsuas siab, thiab lwm yam ntsiab lus tseem ceeb.
Hais txog peb:
Tianjin Youfa Steel Pipe Group Co., Ltd yog tsim los ntawm Lub Xya Hli 1st, 2000. Muaj tag nrho txog 8000 tus neeg ua haujlwm, 9 lub chaw tsim khoom, 179 steel yeeb nkab ntau lawm kab, 3 lub teb chaws accredited kuaj, thiab 1 Tianjin tsoom fwv accredited lag luam technology chaw.
62 ERW steel yeeb nkab ntau lawm kab
Factories:
Tianjin Youfa Steel Pipe Group Co., Ltd .-No.1 ceg;
Tianjin Youfa Steel Pipe Group Co., Ltd .-No.2 ceg;
Tangshan Zhengyuan Steel Yeeb Nkab Co., Ltd.
Tangshan Youfa Steel Pipe Manufacture Co., Ltd.
Handan Youfa Steel Pipe Co., Ltd.
Shanxi Youfa Steel Yeeb Nkab Co., Ltd
