... . Production Carbon seamless steel pipe Brand Huida Specification 10.29mm-508mm (1/8''-20'')× 1.2mm-39mm Standard GB, ASTM, API 5L ... and so on Out Diameter 10.29mm-508mm. (1/8''-20'') Wall Thickness 1.2mm-39mm Grade 10#,20#,45#,16Mn,27SiMn,12Cr1MoV,Q235 ... requestments. Plade of Origin Shandong, China Model Number 10.29mm-508mm. (1/8''-20'')1.2mm-39mm Technique Seamless, welded Usage 1 ...