ASTM A179/A179M-90a(2012) Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes Application: This type tube is widely used for shell & tube bundle heat-exchanger, condenser and similar heat transfer equipments. Standard: ASTM A179/ASME SA179, testing according to ASTM A450/ASME SA450 OD: 3.2-76.2 mm WT:1-15 mm Length: 25 meters(Max) Remarks: 19.05 X 2.11(MWT), 25.4 X 2.77MWT) are common size. Fabricating process: Seamless & Cold drawn Heat treatment: Annealed Non-destructive test: 100% Eddy Current Test Package: Bundle package or plywood box