welded stainless steel pipes 1.OD:016mm-219mm 2. ... 306,306L 4.type:welded welded stainless steel pipes,welded steel pipes,stainless steel pipes welded1.Sizes:16mm,18mm,19mm,22mm,25mm ... 108mm,and 114mm to 219mm2.Surface finish: blank,black, bright and galvanized3.Longth of each pipe:6m ... or request4.Material of stainless steel:304,314L,316,316Lnamewelded stainless steel pipesgrade304,304L,316,316LO.D16mm ...