What is SA 268TP410 Heat Exchanger Tube?

SA 268TP410 is a type of heatresistant stainless steel material commonly used in heat exchanger tube applications. It is part of the ASTM A268 standard, which covers seamless and welded ferritic and martensitic stainless steel tubing for general service. The TP410 designation indicates a specific grade of martensitic stainless steel known for its high strength and excellent resistance to corrosion, scaling, and oxidation at elevated temperatures, making it ideal for hightemperature environments.

SA 268TP410 Heat Exchanger Tube Applications

SA 268TP410 heat exchanger tubes are highly regarded for their ability to operate under hightemperature and highpressure conditions while maintaining excellent mechanical and corrosionresistant properties. 

1. Power Plants:

    Boilers: Used in boiler tubes where steam and hightemperature fluids are involved.

    Superheaters and Reheaters: Essential for heat transfer in components that further increase the temperature of steam.

    Condensers: Utilized to condense exhaust steam from turbines.

2. Chemical Plants:

    Heat Exchangers: Employed in various types of heat exchangers to transfer heat between chemical processes.

    Reactor Vessels: Used in reactor cooling systems where chemical reactions generate heat.

3. Oil Refineries:

    Crude Oil Distillation Units: Used in heat exchangers that preheat crude oil before distillation.

    Catalytic Cracking Units: Integral in the heat exchange process during catalytic cracking.

    Heat Recovery Systems: Applied in systems that recover heat from various refinery processes.

4. Petrochemical Industries:

    Steam Reformers: Used in reformer tubes where hightemperature steam reacts with hydrocarbons.

    Ammonia and Methanol Production: Essential in heat exchangers for synthesizing ammonia and methanol.

5. Food and Beverage Industry:

    Sterilizers and Pasteurizers: Utilized in equipment where high temperatures are needed to sterilize or pasteurize products.

    Evaporators: Used in the concentration of food products by evaporating water content.

6. Aerospace and Automotive:

    Exhaust Systems: Used in exhaust manifolds and other components that require hightemperature resistance.

    Turbochargers: Applied in the heat exchangers of turbocharged engines to cool down the intake air.

7. Pharmaceutical Industry:

    Sterilization Equipment: Employed in heat exchangers for sterilizing equipment and products.

    Reactor Heating and Cooling Systems: Used in systems that control the temperature of reactors.

8. HVAC Systems:

    Industrial Heating Systems: Applied in heat exchangers for industrial HVAC systems that require hightemperature air or fluids.

    Heat Recovery Ventilation (HRV): Utilized in HRV systems to recover heat from exhaust air and transfer it to incoming fresh air.

9. Marine Engineering:

    Marine Boilers: Used in marine boilers where hightemperature steam is generated for ship propulsion.

    Desalination Plants: Employed in heat exchangers for desalination processes, converting seawater to freshwater.

SA 268TP410 heat exchanger tubes are versatile and crucial in various industries due to their high strength, resistance to corrosion, and ability to withstand high temperatures and pressures. These properties make them ideal for applications in power generation, chemical processing, oil refining, and many other hightemperature industrial processes.

SA 268TP410 Tube Chemical Composition

Additionally, SA 268TP410 contains small amounts of other elements such as nitrogen (N), copper (Cu), and iron (Fe), which contribute to its high strength and excellent resistance properties at elevated temperatures.

SA 268TP410 Tube Mechanical Properties

The mechanical properties of SA 268TP410 depend on the heat treatment and the specific dimensions of the material. Typical mechanical properties of annealed SA 268TP410 include:

These properties provide high strength and excellent resistance to corrosion, scaling, and oxidation at elevated temperatures, making SA 268TP410 a popular choice for hightemperature applications, particularly in heat exchanger tubes. However, the mechanical properties can vary depending on the specific manufacturing process and heat treatment used, so it is important to consult the manufacturers data sheet for accurate and uptodate information.

SA 268TP410 heat exchanger tube