... O.D: 6-630mm 3)W.T:0.8-30mm 4)W.T TOLERANCE:+/-10% DescriptionTubeSupply ... Methodcold drawn and cold rolledOut Diameter6-630 mmWall Thickness0.8-30 mmLengthSPECIFIC OR AT RANDOM as requiredSteel Grade200 ... (Ni : 0.8%), 201B (Ni : 3%), 201H (Ni : 5%)301 ( ... SCH5S, SCH10S,SCH40S,SCH80S,SCH160S,etc. (0.8-30 mm)Or non-regular size to be tailored ...