stainless steel pipe 1. TP304 304,304L, 316,316L, 310s, 317L, 321,347H 2.ISO/API/GL/BV/DNV 3.STD:ASTM,AISI ,JIS,GB,DIN,EN Specification:Product Name : stainless seamless steel pipeOD: 6mm-610mmW.T: 0.5mm-8mmGrade: TP201,TP202,TP304,TP304L,TP316,TP316L,TP321,TP410,TP430 Standard: DIN,JIS ,SUS ,ASTM,ASME,ANSI,AISI ,EN ,BS so on Surface: mirror /mill finish ,annealing ,pickling and on your request . ...