... tube & welded tube . Normal size:OD.(8-120) x Th.(0.5-10) x Length <6000mm ASTM B 338 ASMESB338 ASTM B337 ASMESB337 ... ASTMB 861 DIN17861 Grade 1,2,3, 9 ,11 ,12 , 16 17. The max length we could supply Rolled Seamless Tube ... test , tension test , flaring test , Hydrostatic Test. NODtest. finished tube are subject to external surface visual inspection , Hydrostatic . Ultrasonic testing ...