... Stainless Steel Pipes, Tubes and Tubings are designed for Boiler and any other Pressure and Heat Pipes. ASTM A249 ... austenitic steels, with various grades intended for such use as boiler, superheater, heat exchanger, or condenser tubes.According to ASTM ... Decoration, Heat-Exchanger, Condenser Tubes, Sanitation, food industry , Petroleum and Gas Industry and Liquird Delivery.6) Surface: 180#, 400#, 600# , ...