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China, Chinese ASTM B167 Ni-Cr-Fe Alloy Seamless Tube for Heat Exchangers Applications1 Industrial Products Supplier Manufacturer Details, price list catalog:
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AlloyNickel AlloyASTM B167 Seamless TubeNickel Chromium Iron Alloy Tube
EZ Steel Industrial Co., Ltd.
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Product Description Product Description ASTM B167 Ni-Cr-Fe Alloy Seamless Tube for Heat Exchangers ApplicationsNameNickel Alloy Seamless TubeStandardASTM B622, ASTM B167, ASTM B163, ASTM B444Outer diameter6.0-609.6mmWall thickness0.5-45mmMaterialHastelloy B-2, C-276, C-22, C-4, G-3, G-30, G-35; Inconel 625, 600, 601, 718, 750, 690 Incoloy 800, 825, 840, 901, 925; Monel 400, K-500; Haynes 556 (The product names are the registered trademarks of their respective owners. The enumeration here is only to show that the product specifications meet the requirements of relevant standards.)Delivery time7~30 days after receiving depositPayment termT/T,L/C, D/PSupply ability3000tons per yearPackingPacked by Bundles, Plastic Bags, Wooden Case In the complex and demanding world of industrial thermal management, the heat exchanger stands as a critical component, directly influencing process efficiency, energy consumption, and operational safety. The performance of these systems is intrinsically linked to the materials from which they are constructed. The ASTM B167 Ni-Cr-Fe Alloy Seamless Tube is a premier engineering solution, specifically designed to serve as the robust and reliable circulatory system within heat exchangers operating under the most severe conditions of temperature, pressure, and corrosion. This product, meticulously manufactured to the rigorous international standard ASTM B167, represents a synthesis of advanced metallurgy and precision engineering, delivering unparalleled performance where the margin for error is zero.The Metallurgical Backbone: A Synergy of Nickel, Chromium, and IronThe exceptional service life of this seamless tube is rooted in the sophisticated chemistry of nickel-chromium-iron alloys, with UNS N06600 (commonly known as Inconel 600) being a quintessential example. In this alloy system, nickel serves as the foundational matrix, providing inherent ductility, high thermal conductivity, and outstanding resistance to caustic environments and reducing atmospheres. The strategic addition of chromium (typically 14-17%) is the key to its defiance of high temperatures. Upon exposure to heat, chromium rapidly forms a dense, adherent, and continuous surface layer of chromium oxide. This passive film is highly stable and self-healing, acting as a formidable barrier against oxidation, sulfidation, and other forms of high-temperature degradation by effectively sealing the underlying metal from the corrosive environment. The iron content, carefully balanced between 6-10%, contributes solid-solution strengthening, enhancing the alloy's structural integrity and mechanical strength across a wide temperature range without compromising its essential corrosion resistance. This synergistic combination results in a material that maintains its integrity from cryogenic temperatures up to services exceeding 1150°C.The Seamless Advantage: Uncompromised Integrity for Critical Pressure BoundariesThe designation "seamless" is a critical differentiator that speaks to the tube's inherent structural superiority. Unlike welded tubes, which possess a longitudinal seam that can be a potential initiation point for failure under cyclic thermal and pressure stresses, seamless tubes are extruded and drawn from a solid billet. This monolithic construction ensures a homogeneous grain structure and consistent mechanical properties around the entire circumference of the tube. The absence of a weld seam eliminates vulnerabilities such as heat-affected zone (HAZ) sensitization, compositional segregation, and variations in grain size. For heat exchanger applications, this translates into a product with superior resistance to creep deformation-the slow, continuous strain under constant load at high temperature-and enhanced resilience against thermal fatigue caused by repeated startup and shutdown cycles. This seamless integrity is non-negotiable for applications containing toxic, flammable, or high-pressure media, providing engineers with a foundational layer of safety and reliability.Performance in Action: Excelling in Diverse Thermal RolesThe combination of material excellence and seamless construction makes the ASTM B167 tube exceptionally versatile across a spectrum of critical heat transfer applications.Shell and Tube Heat Exchangers: It is the material of choice for tube bundles in services involving steam, flue gases, and process streams containing chlorides or ammonia, where its resistance to stress corrosion cracking is paramount.Nuclear Power Generation: Its proven performance under neutron flux and in high-purity water environments makes it suitable for steam generators, condensers, and reactor internals.Petrochemical and Refining: In reformer heaters, ethylene cracking furnaces, and hydrotreater units, these tubes function as radiant and convection coils, enduring carburizing atmospheres and cyclic thermal exposure that would rapidly degrade lesser materials.Thermal Processing and Industrial Heating: They are fabricated into radiant tubes, retorts, and muffles in heat-treating furnaces, providing a protective atmosphere for processed components while themselves withstanding constant thermal cycling.Tangible Benefits and Lifecycle Value PropositionSpecifying ASTM B167 Seamless Ni-Cr-Fe Alloy Tubes is a strategic decision that yields a demonstrably lower total cost of ownership and enhanced operational uptime.Extended Service Life and Reduced Maintenance: The exceptional resistance to oxidation, carburization, and thermal fatigue ensures that these tubes maintain their wall integrity and heat transfer efficiency over decades of continuous service, drastically reducing the frequency of unplanned shutdowns and costly tube bundle replacements.Maintained Thermal Efficiency: The stable oxide layer minimizes scaling and fouling, preserving the tube's thermal conductivity and ensuring the heat exchanger continues to operate at or near its design efficiency, which directly translates to lower fuel costs and reduced carbon emissions.Design Flexibility and Enhanced Safety: The high strength-to-weight ratio at elevated temperatures can allow for the design of thinner-walled tubes, improving heat transfer rates. More importantly, the seamless construction provides a leak-proof pressure boundary, mitigating the risk of catastrophic cross-contamination between process streams.Proven Reliability: With a decades-long track record in some of the world's most critical industries, this material offers a low-risk, high-reward solution, providing asset managers and engineers with unparalleled confidence in their system's longevity.Conclusion: The Definitive Choice for Demanding Thermal ManagementIn conclusion, the ASTM B167 Ni-Cr-Fe Alloy Seamless Tube for Heat Exchangers is not a commodity but a high-performance component engineered for critical service. It represents the culmination of decades of metallurgical research and manufacturing precision. By integrating this product into their designs, engineers are not merely purchasing tubing; they are investing in the relentless, reliable, and efficient operation of their most vital thermal systems. It is the definitive choice for applications where performance, safety, and longevity are inextricably linked.Detailed PhotosPackaging & Shipping Company Profile Certifications Our Advantages FAQ
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