Kev paub

Natural gas pipelines, tseem hu ua gas kis pipelines, yog cov kav dej uas thauj cov roj nkev los ntawm cov chaw rho tawm lossis cov chaw ua haujlwm rau cov chaw faib roj hauv nroog

API 5CT vs API 5L: Casing, Tubing & Line Pipe Standards Piav Qhia - OCTG Guide

OCTG (Oil Lub Tebchaws Tubular Khoom) yog hais txog cov kav hlau siv hauv cov roj thiab cov roj rho tawm. Cov no suav nrog seamless thiab welded kav, feem ntau categorized rau hauv

API 5L X70 sib npaug ASTM yog dab tsi

API 5L tus qauv, lossis American Petroleum Institute Pipeline Specification, yog tus qauv thoob ntiaj teb lees paub rau cov khoom siv roj thiab cov kav dej. X65 qib steel yeeb nkab

API 5L X70 Kab Yeeb

API 5L X56 pipeline steel yeeb nkab yog cov yeeb nkab steel yeeb nkab tsim raws li American Petroleum Institute (API) tus qauv. Nws cov khoom qib yog X56, uas belongs rau nruab nra

API 5L X52 (L360) Kab Yeeb: Txhais, Cov Khoom Siv thiab Kev Siv

API 5L X52 steel yeeb nkab yog siab - lub zog steel yeeb nkab dav siv hauv kev lag luam roj thiab roj. Nws muaj cov khoom siv zoo heev thiab kev tiv thaiv corrosion, thiab tuaj yee

X42 seamless steel yeeb nkab, tseem hu ua L290 pipeline steel, yog qis - carbon microalloyed steel yeeb nkab ua raws li API SPEC 5L cov qauv. Nws yog tsim los ntawm Mn-Mo-Nb-Ti mic

API 5L yog tus qauv tsim los ntawm American Petroleum Institute (API) thiab feem ntau yog siv rau cov kav dej steel hauv kev lag luam roj thiab roj. X42 yog ib qib tshwj xeeb hauv

API 5L Gr.B PSL2 Khoom: Yuav tsum tau thiab qib