316l stainless steel black pipe/tube price * ready stock *professinal manufacter *good ... Steel Pipe Material: 301, 304, 321, 316L, etc.Certificate: ISO, ASTM, GB, DIN, JIS, Etc 316l stainless steel black pipe/ ... tube price Commoditystainless steel pipe price per tonDescriptionstainless steel pipe, stainless steel seamless pipe, stainless welded pipeStandardAISI, ...