ASTM A213 TP347 Stainless Steel Seamless Tube For Heat Exchanger Application

What's ASTM A213 TP347 seamless tubes?

ASTM A213 TP347 is a specification for seamless tubes made from chromium-nickel stainless steel with additions of columbium and tantalum. The tubes are designed for high-temperature service and are commonly used in applications where resistance to corrosion and oxidation is critical. The addition of columbium and tantalum improves the overall corrosion resistance, making it ideal for use in harsh environments. ASTM A213 TP347 seamless tubes are also known for their excellent mechanical properties, including high strength and excellent toughness. They are available in various sizes and thicknesses and are commonly used in chemical processing, power generation, and other high-temperature applications. The tubes are produced using cold-drawn or hot-finished methods and can be further modified with a variety of additional processing techniques.

What's the advantage of ASTM A213 TP347 seamless tubes?

The advantages of ASTM A213 TP347 seamless tubes include:
1. Excellent resistance to high-temperature corrosion: The addition of columbium and tantalum makes the tubes highly resistant to intergranular corrosion and oxidation at high temperatures, which makes them ideal for use in harsh environments like chemical processing, power generation, and aerospace applications.
2. High mechanical strength: The tubes have excellent mechanical properties, including high tensile strength, ductility, and toughness, making them strong and durable for use under high-pressure and high-temperature conditions.
3. Good weldability: ASTM A213 TP347 seamless tubes can be easily welded using common welding techniques, making them easy to fabricate.
4. Versatility: These tubes are available in various sizes and shapes, and can be used in a variety of applications within different industries.
5. Low maintenance: The tubes have low maintenance requirements, with high resistance to corrosion, making them ideal for use in applications requiring constant exposure to harsh environments.
6. Cost-effective: Despite their high-quality features, ASTM A213 TP347 seamless tubes are competitively priced, making them a cost-effective choice for various industries.

What's the chemical composition and mechanical property of ASTM A213 TP347 seamless tubes?

The chemical composition and mechanical properties of ASTM A213 TP347 seamless tubes are:

Chemical Composition:

- Carbon (C): 0.08% max

- Manganese (Mn): 2.00% max

- Phosphorus (P): 0.045% max

- Sulfur (S): 0.030% max

- Silicon (Si): 0.75% max

- Nickel (Ni): 9.00-13.00%

- Chromium (Cr): 17.00-20.00%

- Columbium (Nb)/Tantalum (Ta): 10*C-1.00% max

Mechanical Properties:

- Tensile Strength: Up to 515 MPa (75 ksi)

- Yield Strength: Up to 205 MPa (30 ksi)

- Elongation: 35% min

- Hardness: 90 HRB max

The properties of the tubes may vary based on the manufacturing process, size, and thickness of the tubes.

What's the Application of ASTM A213 TP347 seamless tubes?

ASTM A213 TP347 seamless tubes are commonly used in the following applications:

1. High-temperature furnace tubes and heating element tubes
2. Chemical and petrochemical processing equipment
3. Refineries and other plant processing systems
4. Power generation equipment including superheaters, boilers, and steam turbines
5. Heat exchangers and condensers in various industries
6. Aerospace and military industries for high-temperature thermocouples and other high-temperature applications.

These tubes are specifically designed to withstand high-temperature and high-pressure applications and are also resistant to corrosion, making them suitable for use in harsh environments.