... B/X42,X52,X605.8m,6m,5m to 12m randomERW Steel pipe8" to 28"SCH20,30,40,60,STD XS, ... Production Carbon seamless steel pipe Specification 10.29mm-508mm (1/8''-20'')× 1.2mm-39mm Standard GB, ASTM, API ... and so on Out Diameter 10.29mm-508mm. (1/8''-20'') Wall Thickness 1.2mm-39mm Grade 10#,20 ... As customers requestments. Model Number 10.29mm-508mm. (1/8''-20'')1.2mm-39mm Technique Seamless, welded Usage 1. ...