stainless steel pipe 1. TP304 304,304L, 316,316L, 310s, 317L, 321,347H 2.ISO/API/GL/BV/DNV 3.standard:ASTM,JIS,GB,DIN,EN Specification:Product Name : stainless seamless steel pipeOD: 6mm-800mm W.T:1mm-28mm Grade: TP201,TP202,TP304,TP304L,TP316,TP316L,TP321,TP410,TP430 Standard: ASTM A312,A213,A511,A269 so on Surface: mirror /mill finish ,annealing ,picling ,2B and on your request .Usage : ...