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From the vibrant industrial landscape of Manila, Diaz Sheetsandplates stands as your trusted partner for high-performance metals. We take pride in supplying and manufacturing premium Copper Nickel 7030 sheets and plates, crafted to meet the rigorous demands of challenging environments. Backed by a commitment to quality and reliability, we deliver materials that form the backbone of critical maritime and industrial projects, ensuring lasting endurance and performance right where it matters most.
The Copper Nickel 7030 alloy is primarily composed of 70% copper and 30% nickel, which gives it exceptional resistance to saltwater corrosion. Mechanically, these sheets and plates are incredibly durable, offering high strength and excellent stability even under extreme temperatures. They are highly resistant to biofouling and perform reliably against stress-corrosion cracking. This powerful combination of properties makes the material exceptionally long-lasting and dependable in the harshest of conditions.
| Specifications | : | ASTM / ASME SB 122 |
| Size | : | 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm |
| Thickness | : | 0.1mm to 12 mm Thk |
| Form | : | Plain Sheet, Shim Sheet |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 70/30 | 65 min | 1.0 max | 0.05 max | 29-33 max | 0.4-1.0 max | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Copper Nickel 70/30 Sheets and Plates offer excellent corrosion resistance, particularly in marine and industrial environments, making them ideal for seawater applications. Their high strength and excellent resistance to biofouling ensure longevity and reliability in harsh conditions. These materials also exhibit good thermal conductivity, making them suitable for heat exchange applications. The 70/30 alloy provides outstanding weldability, formability, and machinability, allowing easy customization and fabrication. Copper Nickel 70/30 Sheets and Plates also offer resistance to pitting, crevice corrosion, and stress corrosion cracking, enhancing durability and performance in diverse industries.
You’ll most often find these sheets and plates hard at work in marine engineering, particularly for constructing ship hulls, piping systems, and water tanks where saltwater is a constant challenge. They are also the go-to material for condenser tubes, heat exchangers, and various pumps and valves in both offshore platforms and coastal plants. Their superb resistance makes them ideal for desalination facilities and other critical systems where failure is simply not an option, ensuring smooth operation for years on end.
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