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ASTM A106 Specification Seamless Pipe - Reliable, High-Performance Solutions for Your Industry

ASTM A106: The go-to standard for high-temperature seamless carbon steel pipes, ensuring strength, durability, and safety for diverse industrial applications.
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The ASTM A106 Standard Specification is a globally recognized benchmark for seamless carbon steel pipes designed to perform under high-temperature conditions. This specification covers pipes intended for use at high temperatures, where the properties of the steel material become critically important.

ASTM A106 specifies requirements for seamless carbon steel pipe, which includes chemical composition, mechanical properties, dimensions, and tolerances. The standard covers pipes ranging in sizes from NPS 1/8 inch (DN 6) to NPS 48 inch (DN 1200), providing flexibility for various industrial applications.

Carbon steel pipes conforming to the ASTM A106 standard are widely used in power plants, petrochemical facilities, refineries, and other high-temperature process plants. Their ability to withstand high temperatures and pressures makes them ideal for transporting steam, water, oil, and gas in these settings.

Three grades of carbon steel are covered under ASTM A106: Grade A, Grade B, and Grade C. Each grade varies in chemical composition, with differences in carbon and manganese content. These grades offer distinct mechanical properties, allowing them to meet specific project requirements.

Overall, the ASTM A106 Standard Specification ensures that seamless carbon steel pipes meet rigorous quality standards for high-temperature service. It provides confidence to engineers, procurement professionals, and end-users that the pipes they select will perform reliably and safely under demanding conditions. This standard remains a cornerstone for the power generation, petrochemical, and many other industries that rely on high-temperature processes.


  1. Oil and Gas Industry: ASTM A106 seamless carbon steel pipes are extensively used in the oil and gas industry for transporting hydrocarbons, water injection, and other fluids. Their strength and durability make them suitable for withstanding high pressures and temperatures encountered in this sector.

  2. Power Generation Industry: In power generation, ASTM A106 pipes are employed in high-temperature and high-pressure applications, such as boilers and superheaters, for transporting steam and water.

  3. Chemical and Petrochemical Industry: These industries often involve processes that require high-temperature conditions. ASTM A106 seamless pipes are utilized for transporting diverse chemicals, including acids, alkalis, salts, and other corrosive media.

  4. Pulp and Paper Industry: In the pulp and paper industry, seamless carbon steel pipes conforming to ASTM A106 are used to transport hot water, steam, and chemicals. These pipes need to withstand high temperatures and resist chemical corrosion.

  5. Shipbuilding and Offshore Industry: ASTM A106 seamless steel pipes are also employed in shipbuilding and offshore projects, particularly in environments where resistance to high temperatures and corrosion is paramount.

  6. Other General Industrial Applications: Besides these specific applications, ASTM A106 seamless carbon steel pipes can be used in various other general industrial applications, including water treatment, HVAC systems, and more.


GradeChemical CompositionMechanical Properties
A

Carbon (C): 0.18-0.23

Manganese (Mn): 0.30-0.60%

Phosphorus (P): Max. 0.035%

Sulfur (S): Max. 0.035%

Tensile Strength: 480-620 MPa<br>Yield Strength: 315 MPa min.<br>Elongation: 22% min.
BCarbon (C): 0.17-0.24%<br>Manganese (Mn): 0.70-1.00%<br>Phosphorus (P): Max. 0.035%<br>Sulfur (S): Max. 0.035%Tensile Strength: 515-655 MPa<br>Yield Strength: 355 MPa min.<br>Elongation: 21% min.
CCarbon (C): 0.18-0.24%<br>Manganese (Mn): 0.70-1.10%<br>Phosphorus (P): Max. 0.030%<br>Sulfur (S): Max. 0.030%Tensile Strength: 550-690 MPa<br>Yield Strength: 415 MPa min.<br>Elongation: 20% min.


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