Stainless steel tube is typically specified by OD (outside diameter) WT (wall thickness), grade, condition and surface finish. It is resistant to many forms of corrosion, has hygienic sterile properties, high quality aesthetic appeal and exceptional strength. Tube is manufactured in round, sections in a variety of wall thicknesses and usually by the processes of longitudinal welding, hot and cold drawing spiral welding. Finishes or appearance range from unpolished to very highly polished. Unpolished has a 2B mill finish, standard polished is a finely grit polished finish and there is a finer buffed finish giving close to a mirror appearance. Finishes are selected to suit application and aesthetic appeal. Stainless steel tube can be joined by welding, which facilitates rigidity in construction, or by the use of mechanical fittings which enables dismantling for hygienic cleaning

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A513 DOM Round Steel Tube, is a welded mechanical round steel tube with the internal weld seam removed creating a smooth internal surface. DOM Round Steel Tube has been drawn over a mandrel to produce a tube having more exact dimensional accuracy and tolerances, and a very smooth inside and outside finish. DOM Round Steel Tube is ideal for more stressful applications requiring higher quality, increased mechanical properties, uniformity, strength, and soundness.