Seamless Tube 1)Wall Thickness: 1mm-30mm. 2)Outside Diameter: 10mm-114.3mm. 3) Length: According To Customers' Requests 4) Standard: ASTM/ASME A312, ASTM/ASME A213/SA213, ASTM/ASME A269, ASTM511GOST 9940, GOST9941, JIS G 3459, JIS GS3 ...Read More