... ,310S and etc,Surface finish: Annealed/cold pilgered / manual polished Pipe DescriptionHebei Shengya Pipe Fittings Co., LtdOur company ... method:Cold drawing/cold rollingSurface finish:Annealed/cold pilgered/manual polished/mechanical polishedMaterials:304,304L,316,316L,321, ... Thickness:0.66mmLength:max 12meters Wecan also supply Non-standard pipes/tube.Delivery conditions:Solution annealed,pickled,grey ...