... seamless steel pipe Specification 10.29mm-508mm (1/8''-20'')× 1.2mm-39mm Standard GB, ASTM, API 5L ... 10.29mm-508mm. (1/8''-20'') Wall Thickness 1.2mm-39mm Grade 10#,20#,45#,16Mn,27SiMn,12Cr1MoV,Q235, ... requestments. Model Number 10.29mm-508mm. (1/8''-20'')1.2mm-39mm Technique Seamless, welded Usage 1. Low ... 5. Plastic caps at ends. Delivery Time 15-20 days or as clients reqestments. Supply 1. seamless ...