Description
ASTM A179 SA179 Low Carbon Steel Tube
Material
ASTM A179 is a specification for low carbon steel tube that are used in heat exchangers, condensers, and similar applications. These tubes are designed to withstand high pressure and temperature, making them suitable for various industrial applications.
Specification
The ASTM A179 specification covers seamless cold-drawn low carbon steel tubes. These tubes are typically used for applications where the mechanical properties and corrosion resistance are critical. The specification outlines the requirements for chemical composition, mechanical properties, and testing methods.
Key Features
- Seamless Construction: Provides uniformity and strength.
- Cold Drawn: Enhances dimensional accuracy and surface finish.
- Low Carbon Content: Offers good weldability and ductility.
- High Pressure Resistance: Suitable for high-pressure applications.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.06 – 0.18 |
| Manganese (Mn) | 0.27 – 0.63 |
| Phosphorus (P) | Max 0.035 |
| Sulfur (S) | Max 0.025 |
| Silicon (Si) | Max 0.10 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (min) | 205 MPa (30,000 psi) |
| Tensile Strength (min) | 310 MPa (45,000 psi) |
| Elongation (min) | 30% |
| Hardness | 85 HRB (max) |
Steel Grade
The ASTM A179 specification primarily covers low carbon steel grades, which are characterized by their low carbon content and excellent mechanical properties.
Application
ASTM A179 tubes are widely used in:
- Heat exchangers
- Condensers
- Boiler tubes
- Other applications requiring high strength and corrosion resistance
Possible Alternative Grades
- ASTM A192: Seamless carbon steel boiler tubes for high-pressure service.
- ASTM A210: Seamless and welded carbon steel boiler tubes.
- ASTM A53: Pipe suitable for welding and bending.
