Standard Size Industrial Steel Pipe Export

OD: Φ508mm- 812.8mm (20" - 32" )
WT: 6.0mm-30.0mm（1/4" -1.18" ）
Standard: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、GB、CSA
Length: 9m-12.3m ( 30' - 40' )
Grade: API 5L A-X70, GB/T9711 L190-L625