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CuNi 70/30 Copper Nickel Alloy Seamless Pipe, ASTM B466, for Heat Exchanger & Shipbuilding
| Place of Origin | Shanghai,China |
|---|---|
| Brand Name | TOBO |
| Certification | ISO/TUV/SGS |
| Model Number | Copper Nickel Pipe |
| Minimum Order Quantity | 1PC |
| Price | Negotiable |
| Packaging Details | Standard Shipping Package |
| Delivery Time | 15-30 Workdays |
| Payment Terms | T/T, Western Union |
| Supply Ability | 10Ton/Month |
Product Details
| Product Name | CuNi 70/30 Copper Nickel Alloy Seamless Pipe, ASTM B466, For Heat Exchanger & Shipbuilding | Hardness | Medium |
|---|---|---|---|
| Surfacefinish | Smooth, Pickled, Or Annealed | Diameter | 1/2 Inch - 24 Inch |
| Welding Line Type | Seamless & Welded | Prodcut | Copper Nickel Pipe |
| Pressurerating | Suitable For High Pressure Applications (depends On Thickness And Diameter) | Formability | Good |
| Warranty | 1 Year | Wallthickness | Varies According To Standard (e.g., SCH10, SCH40, SCH80) |
| Connection | Welding | Heat Treatability | Good |
| Length | Standard Lengths 6m Or Customized | Applications | Marine Engineering, Desalination Plants, Heat Exchangers, Chemical Processing |
| Country Of Origin | China |
Product Description
CuNi 70/30 Copper Nickel Alloy Seamless Pipe, ASTM B466, for Heat Exchanger & Shipbuilding
1.Product Description
Copper nickel pipe is a copper-based alloy tube containing nickel with small additions of iron and manganese. Common grades are 90/10 CuNi (UNS C70600) and 70/30 CuNi (UNS C71500). Manufactured per ASTM B466/ASME SB466 (seamless) and ASTM B467/ASME SB467 (welded). Produced via extrusion/piercing, cold working, and annealing to ensure superior mechanical strength and corrosion resistance.
2.Product Applications
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Marine & Offshore: Seawater lines, condensers, heat exchangers, ballast, firefighting, and cooling systems.
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Desalination: Tube bundles and piping for MSF/MED plants.
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Oil & Gas: Topside seawater utilities and injection systems on platforms and FPSOs.
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Power Generation: Power plant condensers and nuclear auxiliary cooling.
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Chemical: Acid/alkali-resistant exchangers, chlor-alkali piping, brine evaporators.
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Others: Hydraulic brake lines, aquaculture circulation systems.
3 . Product Advantages
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Superior corrosion resistance: Seawater corrosion rate ≤0.025 mm/year; resists pitting, SCC, and erosion-corrosion.
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Natural anti-biofouling: Inhibits marine organism attachment, maintaining flow without coatings.
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High thermal efficiency: ~50 W/(m·K) for 90/10, outperforming stainless steel in heat exchange.
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Excellent workability: Supports cold bending, expanding, TIG/MIG welding; joint corrosion resistance matches base metal.
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Lightweight: ~50% lighter than carbon steel, reducing structural loads.
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Extended lifespan: Matches the full lifecycle of equipment with proper design.
4.Key Product Specification
| Parameter | 90/10 CuNi (C70600) | 70/30 CuNi (C71500) | General Specifications (Common to Both) |
| Main Composition (wt%) | Cu bal., Ni 9-11, Fe 1.0-1.8, Mn≤1.0 | Cu bal., Ni 29-33, Fe 0.4-1.0, Mn≤1.0 | — |
| Tensile Strength (MPa) | ≥300 | ≥350 | — |
| Yield Strength (MPa) | ≥100 | ≥120 | — |
| Elongation (%) | ≥30 | ≥35 | — |
| Density (kg/dm³) | 8.90 | 8.95 | — |
| Thermal Conductivity (W/(m·K)) | ~50 | ~29 | — |
| Coeff. of Linear Expansion (10⁻⁶/K) | 17 | 16 | — |
| Modulus of Elasticity (GPa) | 135 | 152 | — |
| OD Range (mm) | — | — | Seamless 6.35~273.1; Welded ≤355.6 (some up to 914) |
| Wall Thickness (mm) | — | — | 0.89 ~ 20 |
| Supply Length (m) | — | — | 3 ~ 18 (customizable) |
| Applicable Standards | — | — | ASTM B466/B467, ASME SB466/SB467, ASTM B111, BS EN 12449/12451, ASME B36.10M/B36.19M |
FAQ
1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.
2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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