Large Diametersteel Welded Steel Pipe

　　Standard:API

　　Standard2:API 5L

　　Grade Group:16Mn, A53-A369, ST35-ST52

　　Grade:16Mn, A53(A,B), St52

　　Thickness:5 - 25.4 mm

　　Section Shape:Round

　　Outer Diameter(Round):219 - 3600 mm

　　Place of Origin:Hebei, China

　　Application:gas and oil pipeline

　　Port:Tianjin