"Best offer (cheaper and better quality):Stainless Steel Seamless Pipes & Tube,Stainless Steel Welded Pipes & Tube .Specifications: a) O.D.: 6 - 630mm b) W.T.: 1.5 - 30mm c) Length: 4 - 16m Application: 1) General 2) Hydraulic System, 3) Constructural 4) Decorative/Ornamental ?? Standards: GB, ISO, ASTM / ASME, DIN, JIS Material: stainless steel (316,316L,321,304(18-8),304L,2520(S31803)... ... Method: Cold Drawn /OEM Price:Negotiation "