ASTM A179 Cold-Drawn Low-Carbon Seamless Steel Tube for Cold Condenser
Material and Specification
ASTM A179 is a standard specification for seamless cold-drawn Low Carbon Steel Tube for condenser applications. It covers tubes with nominal wall thickness and is intended for use in heat exchanger and condenser applications.
The material used in ASTM A179 tubes is low-carbon steel, which ensures excellent thermal conductivity and corrosion resistance. The tubes are produced through a cold-drawing process, resulting in a smooth and uniform finish.
Chemical Composition
The chemical composition of ASTM A179 Low Carbon Steel Tube is carefully controlled to meet the required standards. The table below outlines the chemical composition of the material:
| Element | Composition (%) |
| Carbon (C) | 0.06-0.18 |
| Manganese (Mn) | 0.27-0.63 |
| Phosphorus (P) | 0.035 (max) |
| Sulfur (S) | 0.035 (max) |
| Silicon (Si) | 0.25 (max) |
Mechanical Properties
The mechanical properties of ASTM A179 tubes are crucial for their performance in condenser applications. The following table presents the typical mechanical properties of the tubes:
| Property | Value |
| Tensile Strength | 325 MPa (min) |
| Yield Strength | 180 MPa (min) |
| Elongation | 35% (min) |
| Hardness | HRB 72 (max) or HV 130 (max) |
Steel Grade
ASTM A179 tubes are classified under the steel grade designation A179. This grade signifies the quality and characteristics of the steel used in the tubes.
Application
ASTM A179 tubes find widespread use in cold condenser applications due to their excellent thermal conductivity and durability. They are commonly employed in industries such as power generation, chemical processing, refrigeration, and HVAC (heating, ventilation, and air conditioning) systems.
The seamless nature of these tubes, along with their low-carbon composition, ensures efficient heat transfer and resistance to corrosion, making them ideal for condenser units. Additionally, their uniform finish allows for ease of installation and reliable performance.
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