ASTM A213 T22 extruded finned tube?

What is ASTM A213 T22 extruded finned tube?

ASTM A213 T22 extruded finned tube is a heat exchanger tube with extruded aluminum fins on the outside surface, made from T22 grade steel, which is an alloy steel per ASTM A213 standard. The fins are extruded from the base tube, which increases the surface area and enhances heat transfer efficiency. These finned tubes are typically used in high-temperature and high-pressure applications, such as boilers, superheaters, and heat exchangers in power plants or industrial settings. The T22 grade steel has good high-temperature strength and resistance to corrosion and oxidation.

Why use ASTM A213 T22 extruded finned tube?

ASTM A213 T22 extruded finned tubes are used in applications where high-temperature and high-pressure resistance is required, such as in boilers and heat exchangers. The use of an extruded finned tube made of this material can improve the heat transfer rate by increasing the surface area of the tube, which enhances the efficiency of heat transfer. The material itself, ASTM A213 T22, is a seamless ferritic and austenitic alloy-steel that is designed to withstand high temperatures and pressures, making it ideal for use in such applications. Additionally, the extruded fins provide better heat transfer performance compared to other types of fins, such as welded or spiral fins, due to the strong bond between the fins and the tube wall, resulting in increased heat transfer efficiency.

ASTM A213 T22 extruded finned tube regular size?

The size of ASTM A213 T22 extruded finned tubes can vary depending on the specific application and the manufacturer. However, there are some common sizes available in the market. The outer diameter of the tube can range from 3/4 inch to 3 inches, and the fin height can range from 3/16 inch to 1 inch. The length of the tube can be customized according to the requirements of the application. It is always recommended to consult with the manufacturer or supplier for specific size and length requirements to ensure the tube is suitable for the intended application.

ASTM A213 T22 extruded finned tube

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What is tube sheet layout? A tube sheet is a component used in shell and tube heat exchangers and other types of heat transfer equipment. It is a flat plate with holes drilled in it, through which tubes are inserted and secured. The tube sheet serves as a barrier between the two fluids, allowing heat to be transferred from one to the other. The layout of the tube sheet depends on the design of the heat exchanger, which includes the number of tubes, the size of the tubes, and the spacing between the tubes. The layout is typically determined using computer-aided design (CAD) software, which can optimize the placement of the tubes to achieve the desired heat transfer performance. In general, the tubes are arranged in a triangular or square pattern on the tube sheet. The triangular pattern is often preferred because it provides better support for the tubes and reduces the risk of vibration and damage. The spacing between the tubes is also important, as it affects the flow rate and pressure

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