Products Description
Our Advantages
1. Excellent Corrosion Resistance
- Our Heat Exchanger Stainless Steel Tube are made from high-quality materials such as TP304L, TP316, and TP309S, offering excellent corrosion and pitting resistance, especially in chloride-rich and acidic environments. Suitable for chemical plants, marine environments, and oil and gas applications.
- Each batch of our tubing undergoes rigorous raw material testing, including corrosion resistance tests, ensuring durability, service life, and efficiency in heat exchanger applications.
2. High Temperature Resistance
- Our tubing is designed to withstand temperatures up to 1000°C and above (e.g., TP321, TP347 materials) and features a low coefficient of thermal expansion, reducing the risk of thermal stress and deformation in heat exchanger applications.
- Each batch of our tubing undergoes high-temperature tensile testing, demonstrating excellent tensile strength and the ability to withstand external forces at high temperatures without breaking.
3. Dimensional Accuracy
- Our Heat Exchanger Stainless Steel Tubes are manufactured using a cold-drawing process, with steel pipes produced strictly according to ASTM A213 standards, with tolerances controlled within ±0.05mm.
- Each batch of our tubing undergoes multiple tests and inspections to ensure it meets standard specifications or customer-required dimensions.
4. Excellent Weldability and Machinability
- Our TP304L and TP316L materials are low-carbon alloys, minimizing the risk of sensitization and ensuring long service life and reliable performance of heat exchangers in corrosive environments.
- The tubing undergoes various mechanical property tests to ensure it can be bent, flared, and crimped without affecting weldability or corrosion resistance.
5. Surface Treatment
- Our tubing undergoes pickling and passivation treatment to ensure a smooth, contaminant-free surface, improving its corrosion resistance and making it ideal for heat exchanger applications.
- Bright annealing, mechanical polishing, and electropolishing treatments are available upon request.
application areas
- Chemical and Petrochemical Industries: Heat exchangers used in chemical reactors, cooling systems, and distillation towers, as well as for handling corrosive chemicals or petrochemical fluids.
- Power Generation: Used in nuclear, thermal, and geothermal power systems.
- HVAC: Cooling units used in air conditioning and refrigeration systems.
- Marine: Marine heat exchangers, offshore oil platforms.
- Aerospace: Aircraft engine cooling.
- Automotive: Exhaust heat recovery systems and vehicle cooling systems for automobiles and heavy vehicles.
Chemical Composition
| Element | Carbon | Manganese | Silicon | Phosphorus | Sulfur | Chromium | Nickel | Molybdenum | Iron |
|---|---|---|---|---|---|---|---|---|---|
| TP304L | ≤0.03% | 2.00% | ≤1.00% | ≤0.045% | ≤0.030% | 18.0-20.0% | 8.0-12.0% | N/A | Balance |
| TP309S | ≤0.20% | 2.00% | ≤1.00% | ≤0.045% | ≤0.030% | 22.0-24.0% | 13.0-15.0% | N/A | Balance |
| TP316 | ≤0.08% | 2.00% | ≤1.00% | ≤0.045% | ≤0.030% | 16.0-18.0% | 10.0-14.0% | 2.00-3.00% | Balance |
Mechanical Properties
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | Modulus of Elasticity |
| TP304L | 515-720 MPa | 205 MPa | 40% (min) | Rockwell B 92 | 193-200 GPa |
| TP309S | 520-750 MPa | 205 MPa | 35% (min) | Rockwell B 92 | 193-200 GPa |
| TP316 | 515-720 MPa | 205 MPa | 40% (min) | Rockwell B 92 | 193-200 GPa |
Possible Alternative Grades
| Alternative Grades | Reasons |
| TP904L | This is a super austenitic stainless steel with excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for harsh corrosive environments. |
| TP347 | This is a niobium-stabilized austenitic stainless steel with excellent resistance to sensitization and intergranular corrosion. Suitable for high-temperature and corrosive environments. |
| 2205 | This is a duplex stainless steel with superior strength and resistance to chloride stress corrosion cracking and pitting corrosion, suitable for heat exchangers in marine and offshore applications, petrochemical plants, and chemical processing. |
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Factory Equipment

Pickling equipment


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