201 stainless steel pipe fittings have: Acidproof, bears the alkali, the density does not have characteristics high and so on pinhole, is produces each kind of watch case, the watch band bottom head high quality material and so on. 201 stainless steel pipes may use in with emphasis in doing decorate the tube, the industry tube, in some shallow stretch's product uses. 201 stainless steel pipes use in the physical property