ASTM A213 TP304 Seamless Tube for Heat exchanger
What is the description of A213 TP304 tube?
A213 TP304 refers to a specific type of stainless steel tube that is commonly used in various industries. It is a seamless tube that conforms to the specifications outlined in ASTM A213, which is a standard specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes.
The "TP304" designation specifically refers to the grade of stainless steel used in the tube, which is Type 304. Type 304 stainless steel is a versatile and widely used austenitic stainless steel alloy that offers excellent corrosion resistance, high strength, and good formability.
A213 TP304 tubes are typically used in applications that require resistance to corrosion, high temperatures, and pressure, such as in boilers, heat exchangers, and superheaters. They are known for their durability, reliability, and ability to withstand harsh operating conditions.
What is the characteristic of steel TP304 material?
1. Corrosion Resistance: TP304 steel exhibits excellent resistance to corrosion, making it suitable for use in environments where exposure to moisture, chemicals, and corrosive substances is common. It is particularly resistant to corrosion from acids, alkaline solutions, and chloride ions.
2. High Temperature Strength: TP304 steel retains its strength and integrity even at high temperatures. It can withstand elevated temperatures without significant loss of mechanical properties, making it suitable for applications involving heat and thermal cycling.
3. Formability and Weldability: TP304 steel is highly formable, allowing it to be easily shaped and fabricated into various forms such as tubes, sheets, and plates. It also exhibits good weldability, enabling it to be joined using various welding techniques without compromising its structural integrity.
4. Hygienic and Sanitary Properties: TP304 steel is widely used in industries such as food processing, pharmaceuticals, and medical equipment due to its hygienic and sanitary properties. It is non-porous, easy to clean, and resistant to bacterial growth, making it suitable for applications requiring strict hygiene standards.
5. Strength and Durability: TP304 steel offers good mechanical strength and durability, making it suitable for structural applications that require load-bearing capabilities. It has a high tensile strength and can withstand heavy loads and impacts.
It's important to note that the specific characteristics of TP304 steel can vary depending on factors such as the manufacturing process, heat treatment, and specific application requirements. Therefore, it is advisable to consult the relevant specifications and guidelines for the specific use case.
A213 TP304 Chemical Composition
| Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
S |
P |
| TP304 |
0,08 |
1,0 |
2 |
18 – 20 |
8 – 11 |
– |
0,03 |
0,045 |
Value in Max.
A213 TP304 Mechanical Properties
| Grade |
Tensile Strength(Mpa) |
Yield Point(Mpa) |
Elongation(%) |
Hardness(HRB) |
Solution Temperature |
| TP304 |
515 |
205 |
35 |
90 |
1040 |
ASTM A213 Permissible Variations In Outside Diameter, Wall Thickness And Length
| OD, Mm |
W.T. Mm |
L, Mm |
| ≤25.4 |
±0.10 |
+20%, 0%,
OD>50, T>5.6
AVG Wall +/-10% |
OD<50.8,+3mm,
OD>=50.8, +5mm |
| 25.4~38.1 |
±0.15 |
| 38.1~50.8 |
±0.2 |
| 50.8~63.5 |
±0.25 |
| 63.5~76.2 |
±0.3 |
| 76.2~101.6 |
±0.38 |
The Applications of A213 TP304 seamless tube
A213 TP304 seamless tubes find application in various industries due to their excellent properties and versatility. Some common applications of A213 TP304 seamless tubes include:
1. Boiler Tubes: A213 TP304 tubes are widely used in boilers for their high temperature and pressure resistance. They can withstand the demanding conditions of steam generation and heat transfer in power plants and industrial boilers.
2. Heat Exchangers: These tubes are commonly used in heat exchangers, where they facilitate efficient heat transfer between two fluids. A213 TP304 tubes' corrosion resistance and thermal conductivity make them suitable for this application.
3. Superheaters: A213 TP304 tubes are utilized in superheaters, which are components in power plants that increase the temperature of steam to enhance energy efficiency. The high-temperature resistance of TP304 tubes makes them suitable for this purpose.
4. Petrochemical Industry: A213 TP304 tubes are employed in the petrochemical industry for various applications, including processing and transporting corrosive fluids and gases. Their corrosion resistance and durability make them suitable for such demanding environments.
5. Food and Beverage Industry: TP304 tubes are used in the food and beverage industry for applications such as processing, storage, and transportation of food products. The hygienic properties and corrosion resistance of TP304 tubes make them suitable for maintaining product quality and safety.
