ASTM A210
Basic Info
The ASTM A210 standard specifies the standard specifications for seamless carbon steel pipes for boilers and super heaters. These pipes have good heat resistance and pressure resistance, and are widely used in high temperature and high pressure environments. A210 pipes undergo strict chemical composition and mechanical performance testing to ensure their quality meets standards. This standard also covers the size and processing requirements of pipes to ensure their suitability for various boiler and heater applications.
Characteristics
Seamless Construction: ASTM A210 tubes are manufactured using seamless construction techniques, ensuring uniformity in wall thickness and consistent mechanical properties throughout the tube length.
Medium Carbon Composition: With a medium-carbon composition, ASTM A210 steel provides a balance between strength and ductility, making it suitable for high-pressure applications.
High Temperature Resistance: ASTM A210 tubes exhibit excellent resistance to high temperatures, allowing them to maintain their structural integrity and mechanical properties under elevated operating conditions in boilers and superheaters.
Good Ductility and Toughness: These tubes are known for their good ductility and toughness, enabling them to withstand the stresses and strains encountered during installation and operation in industrial environments.
ASTM A210 Data Sheet
Steel Grade
Dimensions and Tolerances
Equivalent Steel Grades
Fabrication and Welding
ASTM A210 vs. ASTM A106: A Comparative Analysis
Steel Grade
ASTM A210 Grade A-1
ASTM A210 Grade C
Dimensions and Tolerances
Shape: The tubing has a round shape.
Outer Diameter: The outer diameter ranges from 1/2 inch to 5 inches (12.7 mm to 127 mm).
Wall Thickness: The wall thickness varies from 0.035 inch to 0.500 inch (0.9 mm to 12.7 mm).
Length: The tubing is available in random lengths or custom cut lengths.
Tolerances: The tolerances are according to ASTM A210 standards.
Shape: Round tubing is used.
Outer Diameter: The outer diameter of the tubing ranges between 1/2 inch and 5 inches (12.7 mm to 127 mm).
Wall Thickness: Wall thickness ranges from 0.035 inch to 0.500 inch (0.9 mm to 12.7 mm).
Length: Available in random lengths or custom-cut to specified sizes.
Tolerances: Manufactured according to ASTM A210 standards.
Equivalent Steel Grades
Element: Carbon (C)
- Grade A-1 (%): 0.27 max
- Grade C (%): 0.35 max
Element: Manganese (Mn)
- Grade A-1 (%): 0.93 max
- Grade C (%): 0.29–1.06
Element: Phosphorus (P)
- Grade A-1 (%): 0.035 max
- Grade C (%): 0.035 max
Element: Sulfur (S)
- Grade A-1 (%): 0.035 max
- Grade C (%): 0.035 max
Element: Silicon (Si)
- Grade A-1 (%): 0.10 min
- Grade C (%): 0.10 min
Fabrication and Welding
Forming
Details: ASTM A210 steel can be easily formed using conventional methods such as cold or hot forming. Care should be taken to avoid excessive strain during forming to prevent deformation or cracking.
Machining
Details: ASTM A210 steel has good machinability, allowing for the use of standard machining techniques such as drilling, milling, and turning. Proper lubrication and tooling selection are recommended to achieve desired results.
Heat Treatment
Details: ASTM A210 steel is typically supplied in the normalized condition and does not require further heat treatment after fabrication. However, stress relieving may be performed if necessary to reduce residual stresses.
Welding
Details: Welding of ASTM A210 steel is generally performed using conventional methods such as gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), or shielded metal arc welding (SMAW). Preheating is not usually required, but interpass temperature control is recommended to prevent cracking. Post-weld heat treatment is typically not necessary for ASTM A210 steel. Proper filler metal selection is crucial to ensure weld integrity and mechanical properties.
Inspection and Quality Control
Details: Inspection and quality control during fabrication and welding of ASTM A210 steel should adhere to applicable industry standards and specifications. This includes visual inspection, dimensional checks, and non-destructive testing (NDT) methods such as ultrasonic testing (UT) or radiographic testing (RT) to ensure weld integrity and overall quality.
ASTM A210 vs. ASTM A106: A Comparative Analysis
Purpose
- ASTM A210: High-temperature service
- ASTM A106: High-temperature and pressure service
Composition
- ASTM A210: Carbon and manganese steel
- ASTM A106: Carbon steel
Grades
- ASTM A210: Grade A-1, Grade C
- ASTM A106: Grade A, Grade B, Grade C
Wall Thickness
- ASTM A210: Typically thinner
- ASTM A106: Typically thicker
Application
- ASTM A210: Boiler tubes, heat exchangers
- ASTM A106: Pipelines, high-pressure applications
Temperature Range
- ASTM A210: Up to 650°C (1200°F)
- ASTM A106: Up to 400°C (750°F)
Tensile Strength
- ASTM A210: Varies by grade
- ASTM A106: Varies by grade
Yield Strength
- ASTM A210: Varies by grade
- ASTM A106: Varies by grade
Impact Test
- ASTM A210: Required for Grade C
- ASTM A106: Required for seamless pipes
Usage
- ASTM A210: Mostly for low to medium pressure
- ASTM A106: For high-pressure and high-temperature
