... polised inner and outer can be used for transfering water, gas, fluid and so on. stainless steel water tube Name ... 135°C), etc, and also can refer to seawater, gas, air, medical gas, and so on.Packaging: inner plastic bag each pipe, ... : GradeApplication0Cr18Ni9(304) Pipes for drinking water, hot-water, gas, air, medical gas, etc. 0Cr17Ni12Mo2(316) the workplace required higher corrosion resistance ...