ASME SA179
Precision Steel Pipe – High-Temperature Boiler and Superheater Tube for Industrial Applications Engineered for excellence in extreme conditions, ASME SA179 seamless cold-drawn low-
Carbon Steel Pipe delivers unmatched performance in high-pressure and elevated-temperature environments. This precision-engineered tubing is the preferred choice for power generation, petrochemical processing, and industrial boiler systems where reliability, dimensional accuracy, and thermal resilience are critical. Unlike standard ASTM A179, SA179 meets rigorous ASME code compliance—including U-stamp certification—ensuring it's suitable for
Pressure Vessels, heat exchangers, and superheater applications governed by strict safety standards. Key Features: - **Precision Manufacturing**: Cold-drawn process ensures tight tolerances, smooth surface finish, and consistent wall thickness—ideal for automated assembly and leak-free joints. - **High-Temperature Resistance**: Designed to operate reliably under sustained heat exposure, making it perfect for steam generators, reheaters, and boiler tubes in thermal power plants. - **Low Carbon Content (0.06–0.18%)**: Enhances weldability, ductility, and resistance to embrittlement at elevated temperatures while maintaining structural integrity. - **Enhanced Mechanical Strength**: Tensile strength ≥325 MPa, yield strength ≥180 MPa, with elongation exceeding 35%, ensuring excellent toughness even in cold climates or dynamic load scenarios. - **Certified Quality Control**: Includes non-destructive testing (NDT), hydrostatic testing, and chemical composition verification per ASME Boiler and Pressure Vessel Code requirements. Detailed Description: Manufactured from low-carbon alloy steel conforming to ASME SA179/SA179M specifications, this seamless tube offers superior mechanical properties compared to conventional carbon steel pipes. The cold-drawing technique refines grain structure, resulting in improved surface quality and enhanced resistance to stress corrosion cracking—a key advantage in aggressive chemical environments. Each batch undergoes comprehensive inspection protocols, including ultrasonic and eddy current testing, to detect internal flaws or inconsistencies that could compromise operational safety. The material’s balanced chemistry—with controlled manganese (0.27–0.63%), sulfur, phosphorus, and trace elements—supports both formability during fabrication and long-term durability in service. Applications: Ideal for use in electric power stations, refineries, chemical processing units, and district heating systems, ASME SA179 pipes serve as essential components in boiler tubes, superheater elements, economizers, and condenser systems. Its compatibility with high-pressure steam environments makes it a top-tier solution for industries seeking cost-effective yet dependable alternatives to stainless or alloy steels. Whether deployed in utility-scale boilers or compact industrial heaters, these tubes provide consistent thermal efficiency and minimal maintenance needs over extended operating cycles. User Feedback: Customers across Europe, North America, and Southeast Asia consistently praise the product for its reliable performance in demanding settings. Many operators highlight reduced downtime due to fewer leaks and better alignment with ASME-compliant installation practices. Users also note that the pipe’s precise dimensions simplify integration into existing piping networks, reducing labor costs and accelerating project timelines. Frequently Asked Questions: What distinguishes ASME SA179 from ASTM A179? While both share similar base materials and uses, SA179 includes mandatory ASME certification (e.g., U stamp), additional non-destructive testing, and stricter dimensional controls—making it suitable for regulated pressure equipment. Is this pipe suitable for cryogenic applications? No, it is optimized for high-temperature environments up to approximately 450°C (842°F). For sub-zero operations, specialized low-alloy or austenitic stainless steel grades are recommended. How does its cost compare to other boiler tubes? It offers an excellent balance of performance and affordability—typically lower in price than alloy or stainless steel options while still meeting the demands of heavy-duty industrial processes. Can it be welded using common techniques? Yes, standard welding methods like TIG, MIG, and stick welding are compatible, provided proper preheat and post-weld heat treatment are applied to maintain joint integrity and prevent cracking.
Product Categories : High Temperature Steel Pipe > ASME STANDARD CARBON STEEL PIPE
