ASTM A179/ASME SA179(STB33/St35.8) seamless tube …
ASTM A179 Boiler Tube. Standards:ASTM A179/ASME SA-179. Mill Plant: VALIN STEEL, BAO STEEL. Outside Diameter: 3.2-76.2mm. Wall Thickness: 2.2-25.4mm. Length: 6-32m. Type: Straight Tube, U-Bend Tube. Get A Quote Now. ASTM A179 is the standard for seamless cold-drawn low-carbon steel heat-exchanger and condenser Tubes.