As a leading heat exchanger U-tube supplier in China, we provide high-quality ASTM A213 T9 seamless tubes made from high-temperature alloy steel. These U-tubes are designed for durability and excellent heat transfer performance in demanding industrial applications. With an outer diameter of 19.05 mm and a wall thickness of 1.65 mm, they are engineered to withstand high pressures and temperatures. The tubes are available in a straight length of 5850 mm, offering flexibility for various heat exchanger configurations. Ideal for power generation, chemical processing, and petrochemical industries, our U-tubes ensure efficient heat exchange and long-lasting reliability.