Polished Stainless Steel Pipe

Polished Stainless Steel PipeJiangsu Sheye Metal is a manufacturer specialized in manufacturing polished stainless steel pipes. Polished stainless steel tube includes mechanically polished cleaning tube and bright annealing cleaning tube. The tubes need to be mechanical polished. Mechanical polishing can be divided into three steps: Coarse Grinding, Fine Grinding, QC of external surface(Visual exam of inner pipe, appearance inspection, roughness, roundness, outside diameter thickness). Then degreasing is necessary. Degreasing also includes three steps, namely degreasing, passivation, RO water rinse. After another inspection, all tubes can be packed and ready for shipment. We can polish a wide range of stainless steel tubes in diameter 4.0mm to 1219mm. And the wall thickness ranges from 0.5mm to 100mm. For metal, we are serious.Specification of Polished Stainless Steel Pipe Size OD: 4.0 ~ 1219mm; WT: 0.5 ~ 100mm; Length: 6m, 12m, Max.18mProcess Seamless, WeldedSurface Polishing(180#, 220#, 240#, 320#, 400#, 600#, 800#)Theoretical Weight(kg/m) Weight/meter = (OD-WT)*WT*0.* ? ?Both OD?and WT in mm.Note: OD is the specified outside diameter.WT is the specified wall thicknessStainless steel pipes shall be pickled free of scale. When bright annealing is used, pickling is not necessary.Main Grades and Standards of Polished Stainless Steel Pipe304, ?304L, 316, 316L ASTM A312, ASTM A270, DIN *, JIS G3447, G3448, EN*Tolerances in Wall Thickness (ASTM A312) of Polished Stainless Steel PipeNPS Designator Tolerance, % from Nominal Over Under 1/8 to 2-1/2 incl., all t/D ratios20.012.53 to 18 inch., t/D up to 5% incl.22.512.53 to 18 inch., t/D?5%15.012.520 and larger, welded, all t/D ratios17.512.520 and larger, seamless, t/D up to 5% incl.22.512.520 and larger, seamless, t/D?5%15.012.5Note:t = Nominal Wall Thickness;D = Ordered Outside Diameter.Tolerances in Outside Diameter (ASTM A312) of Polished Stainless Steel PipeNPS Designator Tolerances in Outside Diameter Over Under In. m....

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