Peb lub tuam txhab muag ntau yam: structural steel raj, kua steel raj, alloy raj, siab hlab ntsha raj (tsawg thiab nruab nrab siab boiler raj, siab siab boiler raj, siab siab chiv raj, roj av tawg raj), roj yeeb nkab, txias drawn steel yeeb nkab, thiab lwm yam khoom.

Cov khoom siv sawv cev yog SA106B, 20 G, Q345, 12 Cr1MoVG, 15 CrMoG, Cr5Mo, 1 Cr9Mo, 10 CrMo910, A335P5 / P9 / P11 / P12 / P22 / P91 / P92, thiab lwm yam.

Ua kom tiavASME SA-106/SA-106M-2015, ASTMA210 (A210M)-2012,ASMESA-213/SA-213M, ASTM A335 / A335M-2018 Cov Lus Qhia Tshwj Xeeb,ASTM-A519-2006 ASTM-A 519-2006 Kev ntsuas kev ntsuas, ASTM A53 / A53M ASTM A53 / A53M / ASTM A53 / ASTM A53 / ASTM A53 / ASTM A53 / A53M / ASTM A53 / A53M / ASTM A53 / ASTM A53 / A53M / ASTM A53 / A53M / ASTM A53 / A53M / ASTM A53 / A53M / ASTM A53 / A53M / ASTM A53 / A53M / ASTM A53M / A53M / ASTM A53 / A53M) ASTM A53 / A53M,,gb ubGB8162-2018 (cov qauv yeeb nkab), GB8163-2018 (kua yeeb nkab),GB3087-2008 (tsawg thiab nruab nrab siab boiler yeeb nkab), GB5310-2017 (kev kub siab boiler yeeb nkab), Gb6479-2013 (cov tshuaj chiv tshwj xeeb yeeb nkab), GB9948-2013 (petroleum cracking yeeb nkab), GB / T 17396-2009 (Seamless Steel Tubes Rau Coal Mining), thiab lwm yam kuj muajAPI5CT (casing thiab tubing), API 5L (pipeline)

Cov khoom siv rau engineering, hluav taws xob, boiler, mechanical processing, pib qhov chaw, roj av, thee thiab lwm yam kev lag luam.

Cov tshuaj muaj pes tsawg leeg ntawm steel tube yog carbon C, silicon Si, Manganese Mn, sulfur S, phosphorus P, Chromium Cr.