ASTM A192 Seamless Carbon Steel Boiler Tubes
ASTM A192 is a standard specification for seamless carbon steel boiler and superheater tubes designed for high-pressure service. These tubes are widely used in power plants, refineries, and other industrial facilities where high-pressure and high-temperature conditions are present. The standard ensures that the tubes meet specific chemical composition, mechanical properties, and dimensional requirements to ensure their suitability for the intended applications.
Applications
ASTM A192 seamless carbon steel boiler tubes are used in a variety of high-pressure and high-temperature applications, including:
Power Generation: Used in high-pressure boiler systems for steam production.
Superheaters: Increase steam temperature without raising pressure, improving plant efficiency.
Heat Exchangers: Transfer heat between fluids at high temperatures and pressures.
Petrochemical Industry: Ideal for high-pressure equipment in refinery and chemical processing.
Food Processing: Used in heat exchangers and other equipment where high-pressure and high-temperature conditions are present.
Chemical Industry: Used in heat exchangers and other equipment where high-pressure and high-temperature conditions are present.
Oil & Gas Industry: Used in high-pressure applications in oil and gas processing.
Fertilizer Industry: Used in high-pressure applications in fertilizer production.
Sugar Industry: Used in high-pressure applications in sugar processing.
Standard Material
ASTM A192 boiler tubes are made from carbon steel, which offers excellent strength and durability. The chemical composition of the steel must conform to the following requirements:
Carbon (C): Maximum 0.18%
Manganese (Mn): 0.60% to 1.20%
Phosphorus (P): Maximum 0.035%
Sulfur (S): Maximum 0.035%
Silicon (Si): 0.15% to 0.35%
Mechanical Properties
ASTM A192 boiler tubes have the following mechanical properties:
Tensile Strength: Minimum 325 MPa (47,000 psi)
Yield Strength: Minimum 180 MPa (26,000 psi)
Elongation: Minimum 35% over a 2-inch gauge length
Hardness: The tubes shall have a hardness number not exceeding a specific value, typically measured using the Brinell hardness test.
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