Stainless steel Bright Annealed tube is produced by welded material like 304/304L, 316/316L so on. The size range outer diameter is 1-80mm and wall thickness is 0.1-5mm. The tube would follow the standard ASTM A249. It would be multiple cold redrawn after welded raw material. It can get good outer and inner surface and also the invisible welded bead. And the outer and inner tolerance could be highly controlled to get more precision dimension. It is widely used in medical, instruments, aerospace and so on.