ASTM A179 seamless steel tubes are widely used in industries requiring high heat transfer efficiency, such as heat exchangers, condensers, and boilers. Known for their excellent thermal conductivity, these tubes are manufactured with strict dimensional accuracy and superior mechanical properties. In this blog, we will explore the technical specifications, material composition, and available sizes of ASTM A179 tubes.
ASTM A179 Technical Specifications
ASTM A179 is a standard specification covering seamless cold-drawn low-carbon steel tubes for heat exchanger and condenser applications. The key technical aspects of ASTM A179 tubes include:
- Manufacturing Process: Cold-drawn seamless
- Standard Specification: ASTM A179 / ASME SA179
- Chemical Composition:
- Carbon (C): 0.06 – 0.18%
- Manganese (Mn): 0.27 – 0.63%
- Phosphorus (P): ≤ 0.035%
- Sulfur (S): ≤ 0.035%
- Mechanical Properties:
- Tensile Strength: Min. 325 MPa (47,000 psi)
- Yield Strength: Min. 180 MPa (26,000 psi)
- Elongation: 35% (minimum in 2 inches)
- Heat Treatment: Tubes are supplied in a fully annealed condition to ensure enhanced ductility and performance.
- Surface Finish: Smooth, bright finish achieved through cold drawing.
ASTM A179 Tube Material
ASTM A179 tubes are manufactured using low-carbon steel with a focus on high ductility and thermal efficiency. The material’s composition ensures easy fabrication, excellent corrosion resistance in mild environments, and superior thermal conductivity, making it ideal for heat exchangers and condensers. The fine-grained microstructure further enhances its performance under high temperatures and pressure.
Key Features of ASTM A179 Material
- Low-carbon steel for enhanced weldability
- High thermal conductivity for efficient heat transfer
- Superior strength-to-weight ratio
- Corrosion-resistant in mild environments
ASTM A179 Tube Sizes
ASTM A179 seamless steel tubes are available in a wide range of sizes to accommodate diverse industrial applications. Standard dimensions include:
- Outer Diameter (OD): 6mm – 89mm (1/4″ – 3 1/2″)
- Wall Thickness: 1mm – 12mm (Sch 5S – Sch 80S)
- Length: 3m – 12m (customized as per requirements)
Tubes can be supplied in random lengths or cut-to-size, depending on project specifications. Additionally, special coatings or galvanization can be applied to enhance corrosion resistance.
Applications of ASTM A179 Seamless Steel Tubes
Due to their excellent mechanical and thermal properties, ASTM A179 tubes are widely used in:
- Heat exchangers
- Condensers
- Boilers
- Superheaters
- Air preheaters
- Hydraulic systems
Conclusion
ASTM A179 seamless steel tubes are an essential component in heat transfer applications due to their superior strength, thermal efficiency, and corrosion resistance. With precise dimensional accuracy and high mechanical performance, these tubes ensure reliability in industrial operations. Whether for heat exchangers, condensers, or boilers, ASTM A179 tubes provide an optimal solution for critical applications.
For more information or to inquire about ASTM A179 seamless steel tubes, feel free to contact us!
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