ASME SA210 Seamless Medium Carbon Steel Boiler Pipe
ASME SA210 Seamless Medium Carbon Steel Boiler Pipes
ASME SA210 steel pipes are seamless medium carbon steel pipes specifically designed for boilers and superheaters. These pipes are known for their high strength, durability, and ability to withstand high pressure and temperature, making them ideal for use in high-pressure boiler systems.
Key Features
- Standard: ASME SA210
- Grades:
- Grade A1
- Grade C
- Sizes:
- Outside Diameter: 0.875” to 5.000” (22.2 mm to 127.0 mm)
- Wall Thickness: 0.065” to 0.875” (1.65 mm to 22.2 mm)
- Lengths: Up to 12 meters or custom lengths as per requirements
ASME SA210 Seamless Medium Carbon Steel Boiler Pipes
Chemical Composition
The chemical composition varies based on the specific grade. Below are the compositions for Grade A1 and Grade C:
Grade A1:
Element | Maximum Percentage (%) |
---|---|
Carbon (C) | 0.27 |
Manganese (Mn) | 0.93 |
Phosphorus (P) | 0.035 |
Sulfur (S) | 0.035 |
Silicon (Si) | 0.10 (min) |
Grade C:
Element | Maximum Percentage (%) |
---|---|
Carbon (C) | 0.35 |
Manganese (Mn) | 0.29-1.06 |
Phosphorus (P) | 0.035 |
Sulfur (S) | 0.035 |
Silicon (Si) | 0.10 (min) |
Mechanical Properties
Mechanical properties also depend on the specific grade. Below are the properties for Grade A1 and Grade C:
Grade A1:
Property | Value |
---|---|
Tensile Strength (min) | 60,000 psi (415 MPa) |
Yield Strength (min) | 37,000 psi (255 MPa) |
Elongation (min) | 30% |
Grade C:
Property | Value |
---|---|
Tensile Strength (min) | 70,000 psi (485 MPa) |
Yield Strength (min) | 40,000 psi (275 MPa) |
Elongation (min) | 30% |
SA210 Manufacturing Process
- Billet Selection: High-quality steel billets are selected according to the required specifications.
- Heating: Billets are heated to the required temperature for forging.
- Piercing: Heated billets are pierced to form a hollow tube.
- Hot Rolling: The hollow tube is hot rolled to the desired dimensions.
- Cold Drawing: The hot-rolled tube may be cold drawn to achieve precise dimensions and better surface finish.
- Heat Treatment: Pipes undergo heat treatment processes such as annealing or normalizing to achieve the desired mechanical properties.
- Inspection: Pipes undergo various non-destructive tests such as ultrasonic testing, eddy current testing, and visual inspection to ensure material integrity and quality.
- Hydrostatic Testing: Each pipe is subjected to hydrostatic pressure testing to verify its pressure resistance.
- Finishing: Final processes include end beveling, coating, and marking as per customer specifications.
Applications
- Boilers: Used in high-pressure boiler systems to withstand high temperatures and pressures.
- Superheaters: Suitable for superheater tubes in steam boilers.
- Heat Exchangers: Utilized in heat exchangers due to their excellent thermal conductivity and strength.
- Power Plants: Employed in power generation plants for steam pipelines.
- Petrochemical Industry: Suitable for high-pressure applications in refineries and petrochemical plants.
Advantages
- High Strength: Capable of withstanding high pressure and temperature.
- Seamless Construction: Provides better pressure handling and reduced risk of leakage.
- Durability: Excellent resistance to wear and tear, ensuring long service life.
- Thermal Conductivity: Good thermal conductivity makes it ideal for heat transfer applications.
- Quality Assurance: Extensive testing ensures compliance with ASME standards and high-quality output.
Conclusion
ASME SA210 seamless medium carbon steel boiler pipes are essential for high-pressure and high-temperature applications in boilers, superheaters, and heat exchangers. Their robust construction, high strength, and durability make them a dependable choice for critical applications in power plants, refineries, and other industrial settings. The rigorous manufacturing process and stringent quality control ensure that SA210 pipes meet the demanding requirements of these industries