As a leading alloy steel U-tube manufacturer in China, we specialize in high-quality heat exchanger U tubes made to ASME SA213 T5 standards. Each tube features an outside diameter of 25 mm, a wall thickness of 2.5 mm, and a length of 13,142 mm, offering exceptional strength, durability, and thermal performance for industrial applications. Our U tubes can also be customized to meet specific project requirements, ensuring a perfect fit for any heat exchanger system. Engineered for reliability and precision, they are widely used in chemical, petrochemical, and power generation industries.