ASTM A179/A179M, ASME SA179/SA179M is the standard applicable to Seamless cold drawn low carbon steel heat exchanger and condenser tubes.

Normal Size:

OD. (In,(mm)):  3/4”(19.05mm); 1”(25.4mm); 1¼”（31.75mm）, 1½”(38.1mm)

2” (50.8mm); 2½” (63.5mm); 3” (76.2mm)

Wall Thickness (BWG (mm)): 16BWG (1.651mm); 14BWG(2.108mm); 12BWG(2.769mm); 10BWG(3.404mm); 8BWG(4.191mm)

Length (Ft(mm)): 16Ft(4877mm); 20Ft(6096mm); 24Ft(7315mm) and other fixed length like 6000mm， 12000mm, Max length is 28000mm， also U bending tubes can be offered.

Test requirement:

ASTM A179/ASME SA179 Tube Chemical Compositions

ASTM A179/ASME SA179 Tube Mechanical Properties