We are a professional factory manufacturing high-quality heat exchanger tubes, specifically designed for boiler applications. Made from corrosion-resistant stainless steel ASTM A213 TP316L, these tubes offer excellent durability and thermal performance. Each tube features a 12 mm outer diameter with a wall thickness of 1.65 mm, ensuring strength and efficient heat transfer. The bright annealed surface enhances cleanliness and corrosion resistance, while the plain ends allow for easy installation. Ideal for use in power plants, chemical processing, and other industrial systems, our tubes ensure reliable, long-term operation in demanding environments.