... 316L 3.Standard:AISI,DIN,JIS,GB,EN 4.Factory direct 5.Best price 1.OD1-5000mm;WT: ... Grade:304,304L,316,316L,321,321H,316,316L3.Seamless/welding4.Approval:AISI,DIN,JIS,GB5.Application: petroleum,Machine ... operation of Sainless steel seamless/welded pipe, pipe fittings and complete set of equipment, etc. We are factory direct, and you ... and best service! Mirror/Bright Annealed Sanitary Stainless Steel Tube