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Help CenterAluminum Coil 5052 H32 for Marine and Automotive Heat Exchangers
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Hemaokang Steel (Shandong) Co., Ltd. is proud to offer the premium Aluminum Coil 5052 H32, specifically engineered for demanding marine and automotive heat exchanger applications. As a reliable supplier with ISO9001 certification and annual exports exceeding US$50 million, we ensure every coil meets rigorous quality standards for corrosion resistance, weldability, and thermal conductivity. Our 5052 H32 aluminum coil delivers the perfect balance of strength and formability, making it the ideal choice for evaporators, condensers, radiators, and intercoolers in harsh environments.
This product features excellent fatigue strength and seawater corrosion resistance, which are critical for marine heat exchangers. For automotive heat exchangers, it provides lightweight construction without compromising durability. Below are the key technical specifications and benefits.
Product Features & Technical Specifications
- Exceptional Corrosion Resistance: The 5052 alloy, with 2.5% magnesium, forms a protective oxide layer that withstands saltwater, chemicals, and humidity – essential for marine environments.
- Optimized Temper H32: Strain-hardened and stabilized to achieve a balance of moderate strength (tensile strength 210–260 MPa) and good ductility for bending and forming.
- Excellent Thermal Conductivity: Approximately 138 W/m·K, ensuring efficient heat transfer in heat exchanger fins and tubes.
- Weldability & Fabrication: Suitable for TIG/MIG welding, brazing, and soldering; compatible with common heat exchanger manufacturing processes.
- Dimensional Precision: Tight thickness tolerances (±0.05mm) and width control to minimize material waste during stamping and forming.
- Customizable Surface Finish: Available in mill finish, stucco (embossed) for improved heat transfer, or coated for enhanced corrosion protection.
| Property | Value |
| Tensile Strength | 210–260 MPa |
| Yield Strength | ≥130 MPa |
| Elongation | ≥12% |
| Hardness (HBW) | 60–70 |
| Density | 2.68 g/cm³ |
Benefits for Marine Heat Exchangers: The 5052 H32 coil resists pitting and crevice corrosion in seawater, reducing maintenance downtime. Its high strength-to-weight ratio allows thinner walls for lighter heat exchanger packages, improving vessel fuel efficiency.
Benefits for Automotive Heat Exchangers: Lightweight aluminum reduces vehicle weight, contributing to lower emissions. The H32 temper’s formability enables complex fin geometries for enhanced thermal performance. Consistent material properties ensure reliable mass production in stamping operations.
Quality Assurance & Supply Chain: Every coil is produced under ISO9001-certified processes. We offer strict dimensional inspection reports and can provide third-party testing (e.g., SGS) upon request. Our typical lead time is 15–25 days after deposit, with flexible MOQ starting from 5 tons.
Hemaokang Steel (Shandong) Co., Ltd. has been serving global markets since 2025, with a team of 51–100 experienced professionals and an annual export value exceeding US$50 million. Our main markets span North America, South America, Europe, Asia, Africa, and Oceania. We ship from Qingdao Port, ensuring efficient logistics. Backed by ISO9001 certification, we are committed to delivering consistent quality and technical support. Choose our 5052 H32 aluminum coil for your next marine or automotive heat exchanger project – contact us today for a quote or sample request.
Frequently Asked Questions
Q: What is the difference between 5052 and 6061 aluminum for heat exchangers?
A: 5052 offers better corrosion resistance in saltwater, while 6061 has higher strength. For marine heat exchangers, 5052 is preferred due to its superior seawater resistance. For automotive applications where weight and corrosion are both important, 5052 is often the optimal choice.
Q: Can this coil be used for brazing?
A: Yes, 5052 H32 has good brazing compatibility. However, we recommend testing with your specific brazing process parameters. We can provide technical guidance for clad options if needed.
Q: What surface finishes are available?
A: Standard mill finish is available. For enhanced heat transfer efficiency, we offer embossed (stucco) patterns. A protective coating can also be applied for additional corrosion resistance. Please specify your requirement.
Q: What are the packaging details?
A: Coils are packed with moisture-proof paper, plastic film, and steel strapping, secured on wooden pallets or in export-standard cardboard boxes. Custom packaging (e.g., VCI paper) is available upon request.
Q: Do you provide samples before bulk order?
A: Yes, we offer free samples (freight collect) for quality evaluation. Samples can be cut to your required dimensions. Lead time for samples is 7–10 days.
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 5 tons per size. For smaller quantities, please contact us to discuss availability.
Q: How do you ensure the thickness tolerance?
A: We use automated laser gauges for real-time thickness monitoring during production. Each coil is also inspected with micrometer tools before shipment, and a certificate of analysis is provided.
Q: Can you supply coils with special width or inner diameter?
A: Yes, we offer customization. Width can be tailored from 100 mm to 2600 mm, and inner diameter can be 300 mm, 500 mm, or 508 mm. Other dimensions are available upon request.
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