ASTM A192, ASME SA192 High Pressure Boiler Tube

ASTM A192/ASME SA192 covers minimum-wall-thickness, seamless carbon steel boiler, and superheater tubes for high-pressure service.

The tubing sizes and thicknesses usually furnished to this specification are 1/2 in. to 7 in(12.7 to 177.8 mm) outside diameter and 0.085 to 1.000 in(2.2 to 25.4 mm), inclusive, in minimum wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.

The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in non-conformance with the specification. The inch-pound units shall apply unless the "M" designation of this specification is specified in the order.

Outside Diameter: 12.7-177.8mm

Wall Thickness: 2.2-25.4mm

Length: 6-32m

Type: Straight Tube, U-Bend Tube

Heat Treatment:

Hot-finished tubes need not be heat treated. Cold finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.

ASTM A192/ASME SA192 High-Pressure Carbon Steel Boiler Tube Chemical Composition

ASTM A192/ASME SA192 Boiler Tube Mechanical Property

ASTM A192/ASME SA192 steel tube for Boiler Hardness Requirement

 

GNEE A192/SA192 pipe in stock

 

A192 Boiler Tubes - SA192 Boilers And Pressure Vessel Tubes - Boilers And Pressure Vessels - Carbon Steel - High-Temperature Service Applications - High-Temperature Services - Pressure Vessels - Seamless Pipes And Tubes - A192 Seamless Steel Tubes - ASME SA192 Steel Tubes - ASME SA192 Superheater Tubes - Superheaters - Tubular Products

A192 high-pressure seamless carbon steel boiler tube

ASME SA192 Boiler Tube

ASTM A192 Seamless Carbon Steel Tubes For High Pressure

Comparison of ASTM A192/SA192 and other Carbon Steel Tube and Pipe Materials

• VS ASTM A106 Gr.B: ASTM A106 Gr.B carbon steel pipe is commonly used for high-temperature, high-pressure piping, but it's not specifically designed for the minimum wall thickness required for boilers/superheaters. ASTM A106 Gr.B carbon steel pipe typically has thicker walls than A192/SA192 of the same specification, offering higher pressure-bearing capacity but slightly lower heat transfer and higher cost. ASTM A106 Gr.B carbon steel pipe is commonly used in boiler main steam lines and feedwater lines, while ASTM A192/SA192 carbon steel pipe is specifically designed for superheaters and boiler heat exchanger bundles, where thin walls are required for efficient heat transfer.
• VS ASTM A210 Gr.A1: ASTM A210 Gr.A1 is a medium-carbon manganese steel seamless tube used in boilers and superheaters. Due to its higher carbon content, its strength and hardness surpass A192/SA192, and it is primarily used in applications requiring higher strength.

Required Tests and Inspections for ASTM A192/SA192 Carbon Steel Pipe

• Tensile Testing: This is performed on samples taken from each batch of steel tube to verify tensile strength, yield strength, and elongation.
• Hardness Testing: This is typically performed on each tube or batch.
• Hydraulic Pressure Testing: This is mandatory for every tube. The test pressure is very high and maintained for at least 5 seconds to ensure there is no leakage or permanent deformation, ensuring safety under pressure.
• Non-destructive Testing: The standard typically requires eddy current testing or ultrasonic testing (or a combination of both) to detect longitudinal defects, and this must be performed on every tube.

Uses&Application:

1.Boiler Tubes: A192/SA192 tubes are primarily used in boiler systems for high-pressure and superheating applications. They are widely employed in power plants, thermal energy plants, and industrial boilers for generating steam. A192/SA192 tubes exhibit excellent thermal conductivity and high tensile strength, making them suitable for handling elevated temperatures and pressures.

2.Heat Exchangers: A192/SA192 tubes are used in heat exchangers where efficient heat transfer is required. These tubes are often utilized in applications involving fluid-to-fluid or gas-to-fluid heat exchange, such as in HVAC systems, refrigeration units, and industrial process equipment. The seamless construction of A192/SA192 tubes ensures smooth fluid flow and minimizes pressure drop.

3.Condensers: A192/SA192 tubes find applications in condenser units that are part of various systems such as power plants and refrigeration units. Condensers are responsible for transferring heat from vapor to liquid state, and A192/SA192 tubes offer excellent heat transfer capabilities for this purpose.

4.Petroleum Refining: A192/SA192 tubes are occasionally utilized in petroleum refining processes, particularly in applications involving high-temperature and high-pressure fluids. These tubes are employed for heat exchange, fluid transport, and other critical functions in refining operations.

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