316 Stainless Steel Pipe Specification. Outside Diameter:6.00 mm OD up to 914.4 mm OD, ISO Certification Seamless 316 Stainless Steel Pipe/Tube price per ton US $1200-2200 / Ton; We can process stainless steel 316 pipes and tubes to produce and supply either standard or non-standard stainless steel pipes. Best Prices: SS 316L 20mm diameter seamless stainless steel pipe - SS 316L 20mm diameter seamless stainless steel pipe, ASTM A312 TP 316L Stainless Steel Seamless Pipe SS 316L ASTM A312 TP 316L Stainless Steel Seamless Pipe Packing Standard 02:single pipes wrapped in shrink foil, pipe ends protected with foil or plastic caps, frame construction made of wood, both frontsides closed, frame construction secured with steel strapping. SS 316L Seamless Pipes Price List, SS 316 Pipe @ Rs.265/KgView Our Latest Updated Price List as Below The below prices can be taken as an indicative reference for the prices of various size of materials. The per kilo gram prices of 316/316L stainless steel seamless pipes depends on the size of the pipes. While, smaller size pipes (such as 1/4 to 1) are more expensive, bigger sizes 11/2 to 4 are less expensive.