ASTM A249 TP304 Wound L Type Tube , For Bolier Heat Exchanger
ASTM A249 TP304 Wound L Type Tubes are specialized stainless steel tubes designed primarily for heat exchanger and boiler applications. These tubes meet the standards outlined by ASTM A249, which specifies the requirements for welded austenitic stainless steel tubing for high-temperature and general corrosive service.
Key Features
- Material: TP304 (Type 304 stainless steel), an austenitic stainless steel, is known for its excellent corrosion resistance, good weldability, and high durability in various environments.
- Wound L Type: The "L Type" refers to a wound or coiled tube configuration, which is often used for space efficiency in heat exchanger systems. The design provides enhanced heat transfer capabilities.
- Seamless Welded Construction: The tubes are manufactured using advanced welding techniques to ensure a smooth surface finish, high mechanical strength, and resistance to stress and thermal expansion.
- Standards Compliance: These tubes comply with ASTM A249 specifications, ensuring consistent quality, dimensional accuracy, and performance reliability.
Applications
- Heat Exchangers: Widely used in industries such as petrochemical, power generation, and HVAC systems for efficient heat transfer.
- Boilers: Ideal for high-temperature and high-pressure boiler systems.
- Chemical Processing Plants: Suitable for corrosive environments due to their excellent resistance to oxidation and chemical attack.
- Food and Beverage Industry: Often used in sanitary applications due to its hygienic properties and corrosion resistance.
Chemical Composition:
Chemical Composition |
C | Si | Mn | P | S | Cr | Ni | Fe |
≤ 0.08% | ≤ 1.00% | ≤ 2.00% | ≤ 0.045% | ≤ 0.030% | 18.0 - 20.0% | 8.0 - 11.0% | Balance |
Mechanical Properties:
Mechanical Properties |
Tensile Strength (min) | Yield Strength (min) | Elongation in 2" or 50 mm (min) | Hardness, Max |
515 MPa [75 ksi] | 205 MPa [30 ksi] | 35% | 90HB |
Advantages
- High resistance to corrosion and oxidation.
- Durable under high-temperature and high-pressure conditions.
- Space-saving design due to the wound configuration.
- Long service life and minimal maintenance.
