FE510 ,FE360 LONGITUDINALLY WELDED PIPE
steel grade:FE510,FEL245--L275,Q235,Q345,20#,X42-X65,A53 GrB ETC. standard:GB/T9711.1,EN 10224,API5L PSL1,ASTM,GB/T3091-2008 et
FE510 ,FE360 LONGITUDINALLY WELDED PIPE
steel grade:FE510,FEL245--L275,Q235,Q345,20#,X42-X65,A53 GrB ETC. standard:GB/T9711.1,EN 10224,API5L PSL1,ASTM,GB/T3091-2008 et
FE510 ,FE360 LONGITUDINALLY WELDED PIPE