Description
ASTM A214 Grade C, Grade 1, Grade 2 Electric Resistance Welded Pipe
Material Specification
ASTM A214 Electric Resistance Welded Pipe is a standard specification for electric-resistance-welded carbon steel tubes used for heat exchangers, condensers, and similar heat transfer apparatus. These tubes are designed for use in applications where the temperature and pressure are relatively low.
Key Features
- Manufacturing Process: Electric Resistance Welded (ERW)
- Applications: Primarily used in heat exchangers and condensers
- Grades: Includes Grade C, Grade 1, and Grade 2
- Corrosion Resistance: Moderate, suitable for low-pressure applications
- Cost-Effective: Generally more economical than seamless tubes
Chemical Composition
The chemical composition of ASTM A214 Electric Resistance Welded Pipe is crucial for ensuring the desired mechanical properties and performance. Below is a table presenting the typical chemical composition for these grades:
| Element | Grade C (%) | Grade 1 (%) | Grade 2 (%) |
|---|---|---|---|
| Carbon (C) | 0.18 max | 0.18 max | 0.18 max |
| Manganese (Mn) | 0.27-0.63 | 0.27-0.63 | 0.27-0.63 |
| Phosphorus (P) | 0.035 max | 0.035 max | 0.035 max |
| Sulfur (S) | 0.035 max | 0.035 max | 0.035 max |
Mechanical Properties
The mechanical properties of ASTM A214 Electric Resistance Welded Pipe are essential for determining their suitability for specific applications. Below is a table summarizing the mechanical properties:
| Property | Grade C | Grade 1 | Grade 2 |
|---|---|---|---|
| Tensile Strength (MPa) | 310 min | 310 min | 310 min |
| Yield Strength (MPa) | 180 min | 180 min | 180 min |
| Elongation (%) | 35 min | 35 min | 35 min |
Steel Grade
ASTM A214 Electric Resistance Welded Pipe are available in different grades, each designed to meet specific requirements. The grades primarily differ in their mechanical properties and chemical composition, allowing for a range of applications.
Application
ASTM A214 Electric Resistance Welded Pipe are widely used in:
- Heat exchangers
- Condensers
- Low-pressure applications
- Industrial boilers
These tubes are particularly suitable for applications where the operating conditions do not involve high pressure or temperature.
Possible Alternative Grades
While ASTM A214 is a popular choice for specific applications, there are alternative grades that might be considered depending on the requirements:
- ASTM A179: Seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes.
- ASTM A192: Seamless carbon steel boiler tubes for high-pressure service.
- ASTM A210: Seamless medium-carbon steel boiler and superheater tubes.
