Our Seamless Heat Exchanger Tubes, manufactured in China, are crafted from carbon steel to ASTM A192 standards. These tubes are 1-1/2 inches in size with an outer diameter of 38.1 mm and a minimum wall thickness of 2.77 mm. Featuring an annealed treatment and a length of 6096 mm, they are designed for optimal performance and durability in heat exchanger applications.