ASTM A312 TP316L Studded Tube with 11Cr Stud Fins for Petrochemical and Refinery

What is ASTM A312 TP316L Studded Tube with 11Cr Fins?

ASTM A312 TP316L Studded Tube with 11Cr Fins is a type of heat exchanger tube made of TP316L stainless steel that has studs or pins welded onto its surface with fins made of low alloy steel with 11% chromium content.

The studs on the tube are typically made of carbon steel or low alloy steel, and the fins are attached to the studs. The 11Cr fins are known for their excellent high-temperature oxidation and corrosion resistance properties, making them an ideal choice for applications that require reliable heat transfer and long-term durability in aggressive environments.

ASTM A312 TP316L is a stainless steel grade suitable for use in corrosive and high-temperature environments. The combination of the TP316L stainless steel with 11Cr fins provides optimal corrosion and oxidation resistance, making these studded tubes widely used in various applications in the chemical processing, power generation, and offshore industries.

What are the advantages of A312 TP316L Studded Tube with 11Cr Fins?

There are several advantages to using A312 TP316L studded tube with 11Cr fins for heat exchanger applications, including:

1. Corrosion and oxidation resistance: The combination of TP316L stainless steel and 11Cr fins provides excellent resistance to corrosion and oxidation, making this type of tube ideal for use in harsh and corrosive environments.

2. High-temperature resistance: The 11Cr fins used in A312 TP316L studded tubes can withstand high temperatures without degrading or losing efficiency. This makes them ideal for use in high-temperature applications, such as in the petrochemical and power generation industries.

3. Improved heat transfer: The studs and fins on the tube surface increase the surface area available for heat transfer, thereby improving the overall efficiency of the heat exchanger.

4. Longevity and durability: The use of high-quality materials and robust manufacturing processes can help improve the longevity and durability of A312 TP316L studded tubes.

5. Reduced maintenance requirements: The improved corrosion and oxidation resistance provided by the 11Cr fins can reduce maintenance requirements and increase the service life of the heat exchanger.

Overall, A312 TP316L studded tube with 11Cr fins offers superior performance, longevity, and reliability, making it a popular and effective solution for heat exchangers in various industries.

What's the chemical composition and mechanical properties of ASTM A312 TP316L?

Chemical composition of ASTM A312 TP316L (Weight %):

- Carbon (C): ≤ 0.030

- Manganese (Mn): ≤ 2.00

- Silicon (Si): ≤ 1.00

- Phosphorus (P): ≤ 0.045

- Sulfur (S): ≤ 0.030

- Nickel (Ni): 10.00 - 14.00

- Chromium (Cr): 16.00 - 18.00

- Molybdenum (Mo): 2.00 - 3.00

Mechanical Properties of ASTM A312 TP316L:

- Tensile strength: ≥ 485 MPa (70,300 psi)

- Yield strength: ≥ 170 MPa (24,600 psi)

- Elongation: ≥ 30%

- Hardness: ≤ 217 HBW (Brinell hardness)

- Density: 8.0 g/cm³

What's the main application of ASTM A312 TP316L Studded Tube with 11Cr Fins?

ASTM A312 TP316L studded tubes with 11Cr fins are commonly used in various heat exchanger applications in industries such as:

1. Chemical processing: The excellent resistance to corrosion and oxidation, along with high-temperature resistance, makes them suitable for use in the chemical processing industry.

2. Oil and gas: The high-temperature resistance and corrosion-resistant properties of these tubes make them ideal for use in offshore oil and gas production applications.

3. Power generation: Power generation environments often involve high-temperature and high-pressure conditions, making A312 TP316L studded tubes with 11Cr fins a preferred choice for heat exchangers in gas turbines and boilers.

4. Petrochemical: These tubes are also used in the petrochemical industry for heat exchangers, condensers, and reactors.

Overall, ASTM A312 TP316L studded tubes with 11Cr fins are ideal for use in high-temperature, harsh, or corrosive environments where reliable heat transfer performance is required.