Our CuNi30 strip is a total rockstar for corrosion-resistant marine heat exchanger fins, built to handle the brutal saltwater environment without breaking a sweat. This copper-nickel alloy, with about 70% copper, 30% nickel, and traces of iron and manganese, is our go-to for applications where corrosion resistance and efficient heat transfer are critical. Whether it’s fins, tube sheets, or structural components in seawater-cooled heat exchangers, this strip keeps your systems running smoothly.

What makes CuNi30 strip stand out is its incredible ability to resist seawater corrosion and biofouling. High-flow saltwater or stagnant coastal waters? No problem. It’s perfect for heat exchanger fins, fighting off pitting, erosion, and marine organism buildup to ensure long-lasting performance with minimal maintenance. This strip keeps your heat exchangers efficient, delivering top-notch thermal performance in harsh marine conditions.

This strip’s versatility is a big win. It’s stable up to 500°C, which is plenty for marine heat exchangers operating at moderate temperatures, like those in ship engines or coastal power plants. Its high thermal conductivity (~40 W/m·K) ensures excellent heat transfer, and its good mechanical strength means it can handle stress without cracking. From commercial vessels to offshore platforms, CuNi30 delivers.

We love how easy this strip is to work with. Its excellent formability makes it a breeze to stamp, bend, or shape into whatever your fin design needs—think thin, high-efficiency fins or sturdy tube sheets. Need a specific width, thickness, or finish? We can tailor it to fit your specs, ensuring smooth manufacturing and keeping your project on track.

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The marine industry’s all about materials that are corrosion-resistant, efficient, and sustainable, and CuNi30 strip checks every box. It’s recyclable, which is great for eco-friendly projects, and its long lifespan means less waste from replacements. With global shipping, offshore wind, and desalination industries growing, demand for durable materials like CuNi30 is soaring. Its low maintenance and biofouling resistance align with the trend toward cost-effective, green marine solutions.

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Our CuNi30 strip sets the standard because we’re all about quality, customization, and customer success. We offer a wide range of widths, thicknesses, and finishes, with fast delivery for both small and large orders. Our team dives into your project, optimizing the strip for your marine heat exchanger fins to ensure maximum corrosion resistance and thermal efficiency. We keep pricing competitive, especially for bulk orders, without skimping on quality. Our sustainable production process uses recyclable materials, aligning with green industry trends. Plus, our hands-on support means you’re always covered—whether it’s technical guidance or a custom solution, we make it happen.

Compared to other materials, our CuNi30 strip is a clear winner. CuNi44 is great for high-resistance applications but less effective in seawater compared to CuNi30. Stainless steel 316 is tough but struggles with chloride corrosion in saltwater, unlike CuNi30. Pure copper’s a conductivity champ but corrodes fast in marine environments. Our strip is the go-to for corrosion-resistant marine heat exchanger fins.

We craft our CuNi30 strip to meet strict standards like ISO 9001, ensuring quality you can trust every time. Whether you’re building fins for ship engines or tube sheets for offshore platforms, this strip’s ready to perform. Got a unique spec in mind? Let us know, and we’ll make it happen.

About Us:

Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every  FeCrAl  alloy, NiCr alloy, and other products purchased.

For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

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FAQs:

1. What is CuNi30 strip made of?
   It’s a copper-nickel alloy with about 70% copper, 30% nickel, and traces of iron and manganese for corrosion resistance and strength.

2. What are the main uses for CuNi30 strip in marine heat exchangers?
   It’s used for fins, tube sheets, and structural components in seawater-cooled heat exchanger systems.

3. How does CuNi30 strip perform in seawater?
   It’s a champ, resisting corrosion, biofouling, and erosion in high-flow or stagnant saltwater environments.

4. Can CuNi30 strip handle high temperatures?
   Yep, it’s stable up to 500°C, suitable for marine heat exchanger fins in moderate-heat conditions.

5. Is CuNi30 strip cost-effective?
   It’s pricier than pure copper, but its durability and low maintenance in seawater make it a smart choice.

6. How does CuNi30 strip compare to CuNi44 strip?
   CuNi30 has better thermal conductivity and corrosion resistance in seawater, while CuNi44 offers higher electrical resistance for other uses.

7. Can CuNi30 strip be customized?
   Totally! We can adjust width, thickness, or finish to meet your specific heat exchanger fin needs.

8. Is CuNi30 strip environmentally friendly?