ASTM A179 Seamless Straight Tube - Cold-Drawn Low-Carbon Steel for Heat Exchanger and Condenser Applications
ASTM A179 Seamless Straight Tube - Cold-Drawn Low-Carbon Steel for Heat Exchanger and Condenser Applications
YUHONG Group, with over 35 years of industrial expertise and a global presence spanning 85 countries, specializes in manufacturing precision-engineered tubing solutions for thermal applications. Our ASTM A179 Seamless Straight Tubes are cold-drawn from low-carbon steel to provide optimal heat transfer performance in heat exchangers and condensers. We maintain strict quality control throughout the manufacturing process, ensuring each tube meets exact dimensional tolerances and performance requirements for reliable operation in critical thermal systems. Backed by complete traceability and international certifications, we deliver dependable solutions that power industries worldwide.
Chemical Composition Requirements
| Element | Composition (%) |
| Carbon (C) | 0.06 - 0.18 |
| Manganese (Mn) | 0.27 - 0.63 |
| Phosphorus (P), max | 0.035 |
| Sulfur (S), max | 0.035 |
Mechanical Properties & Hardness
| Property | Requirement |
| Tensile Strength, min | 325 MPa (47,000 psi) |
| Yield Strength, min | 180 MPa (26,000 psi) |
| Hardness, max | 72 HRBW |
Standard Test Requirements
| Test Type | Requirement |
| Flattening Test | On specimens from each of two tubes per lot |
| Flaring Test | On specimens from each of two tubes per lot |
| Hardness Test | Rockwell test on two tubes per lot |
| Hydrostatic Test | Required for each tube (or NDT as specified) |
Key Product Advantages
- Optimized Heat Transfer Performance: Designed with minimum wall thickness for maximum heat transfer efficiency in condensers and heat exchangers, ensuring optimal thermal conductivity.
- Excellent Formability and Weldability: The low-carbon steel composition provides excellent ductility for various forming operations while maintaining sufficient mechanical strength for pressure applications.
- Reliable Quality Assurance: Each production lot undergoes comprehensive testing including flattening, flaring, and hardness tests to ensure material integrity and performance reliability.
- Cost-Effective Thermal Solution: Provides superior performance for heat transfer applications at a competitive cost compared to alloy materials, offering excellent value for heat exchanger and condenser systems.
- Proven Compatibility: Widely accepted and specified for thermal applications in power generation, chemical processing, and HVAC industries, with full compliance to ASTM A179 standards.
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