Product Name: Carbon Steel Heat Exchanger Tubes
Type: Seamless Heat Exchanger Tubes / Boiled Tubes
Material: ASTM A179 / ASME SA179
Outer Diameter: 3/4 Inch (19.05 mm)
Wall Thickness: BWG 13 (Approx. 2.7 mm)
Length: 20 FT (6096 mm)
Delivery Conditions: Cold Drawn, Normalizing Rolled
Surface Coating: Oil Color Paint Coating
Certification: EN 10204 3.2 TPI Certificate
Quality: Export Grade
Export Destination: Saudi Arabia

Source: https://www.landee.cn/carbon-steel-heat-exchanger-tubes-astm-a179-3-4-in-bwg-13.html