ASTM A213 TP304L Stainless Steel U Bend Tube For Heat Exchanger
ASTM A213 TP304L Stainless Steel U Bend Tube For Heat Exchanger
ASTM A213 TP304L is a specification for seamless and welded austenitic stainless steel tubes, designed for high-temperature and corrosion-resistant environments. The "TP304L" grade is a low-carbon version of 304 stainless steel, providing enhanced weldability and resistance to intergranular corrosion.
The U Bend Tubes are widely used in heat exchangers, condensers, boilers, and other applications where heat transfer efficiency is critical.
Key Features:
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Material Composition:
- Chromium (18–20%): Provides excellent corrosion and oxidation resistance.
- Nickel (8–12%): Enhances toughness and ductility.
- Low Carbon Content: Prevents carbide precipitation during welding, reducing the risk of intergranular corrosion.
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Corrosion Resistance:
- Superior resistance to general corrosion, pitting, and crevice corrosion in chloride-rich environments.
- Suitable for use in chemical processing, marine, and petrochemical industries.
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High-Temperature Strength:
- Can withstand elevated temperatures without significant deformation or loss of mechanical properties.
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Dimensional Precision:
- Manufactured with strict tolerances to ensure proper fit in heat exchangers and condensers.
Applications:
- Heat Exchangers
- Condensers
- Power Generation Plants
- Chemical Processing Equipment
- Oil and Gas Industry
- Desalination Plants
Advantages of U Bend Tubes:
- Compact Design: The U-bend configuration allows for efficient use of space in heat exchangers.
- Improved Heat Transfer: Maximizes contact area for heat exchange between fluids.
- Durability: Resistant to cracking, corrosion, and thermal stress.
Mechanical Properties of TP304L Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength (UTS) | ≥ 485 MPa (70,000 psi) |
| Yield Strength (0.2% offset) | ≥ 170 MPa (25,000 psi) |
| Elongation (in 50 mm) | ≥ 35% |
| Hardness | ≤ 90 HRB (Rockwell B) |
| Modulus of Elasticity | ~193 GPa (~28,000 ksi) |
| Density | ~8.0 g/cm³ (~0.289 lb/in³) |
| Melting Point | ~1400–1450 °C (~2550–2650 °F) |
Specifications:
- Standard: ASTM A213
- Grade: TP304L
- Manufacturing Process: Seamless or welded
- Surface Finish: Annealed, pickled, or polished
- Bend Radius: Customizable based on the application
- Dimensions: Outer diameter, wall thickness, and length as per customer requirements.
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