... industry pipelines. Stainless steel pipes & tubes are widely used for many areas as follows:1. heat-exchanger, condenser, boiler parts ... .2. pressure pipes, petroleum transmission pipes, petrolchemical industry pipes, liquid delivery pipe, water pipelines.3. milk transmission, sugar factory, dairy, sanitation, bathroom ... 11850 and so on. ASTM A270 Stainless Steel Pipes & Tubes for Pharmacy Pipeline