Stainless Steel Pipe Standard ASTM A312 - Seamless and welded Australasic stainless steel tube ASTM A790 - General purpose ferrite/Australasic stainless steel seamless and welded steel pipe ASME SA213 - Boiler, superheater and heat exchanger with seamless ferrite and Auschwitz alloy steel tube ASME SA249 - boiler, Overheater heat exchanger and condenser welding Auschwitz steel tube ASME SA789 - General purpose seamless and welded ferrite/Australasic stainless steel tube GB/T14976 - fluid transport stainless steel seamless steel pipe