API 5L Large Diameter Welded Spiral Steel Pipe

　　Standard:API, ASTM, BS, DIN, GB

　　Grade Group:10#-45#, 15NiCuMoNb5

　　Wall thickness:5mm-30mm

　　Outer Diameter:30 - 250 mm

　　Usage:Oil Gas Sewage Transport

　　Material:Q195/Q215/Q235/Q345

　　Origin:China

　　Certification:ISO

　　Length:1-12m

　　Surface Treatment: Black

　　Trademark:Shengtian

　　Application:oil and gas industry