... 3) Competitive Price 4) Nice Packing Mirror Stainless Steel Pipe/Tube 1)Material: 200, 201, 202, 304, 304L, TP304, 321, ... seamless stainless steel square pipe, round steel, carbon steel pipe, tube blank, flang, elbow and so on. 3)Standard: GB/T14975 ... satisfied for customers' special requirement 5)Application: Transport oil, natural gas, water and some liquid material 6)Surface finish: Anneal/picking ...