U tube,pipe, 1.U tube Material:AISI304 (V2A) or AISI316 (V4A) 2.U tube Surface:Satin or mirror finish 3.Best quality U tube , ... Stainless Steel special tube,embossed pipe ,1). U tube Material: SS304 / SS316L,.2). U tube Thickness :1.5mm ... ,3). U tube Round tube Outer ...