Home > Copper > Copper Grade > C71500 Copper
C71500 Copper, also known as Copper-Nickel 70/30, is an alloy with 70% copper and 30% nickel, known for its excellent resistance to seawater corrosion and high-temperature oxidation. This alloy is widely used in marine, offshore, and power plant applications. Solitaire Steel & Engineering LLP, based in Khetwadi, Mumbai, India, supplies C71500 Copper products, including sheets, plates, tubes, pipes, bars, angles, channels, beams, and fittings, all meeting high-quality standards for durability and performance.
| Product Type | Standard | Available Sizes | Typical Applications |
|---|---|---|---|
| Sheets and Plates | ASTM B122 | Thickness: 1mm–50mm, Width: up to 1500mm, Length: up to 3000mm | Condensers, heat exchangers, marine structures |
| Pipes and Tubes | ASTM B466 | Diameter: 6mm–500mm, Length: up to 6m | Seawater cooling systems, hydraulic lines |
| Bars and Rods | ASTM B151 | Diameter: 3mm–200mm | Marine hardware, fasteners |
| Angles and Channels | Custom | Custom sizes available | Structural supports in marine environments |
| Beams | Custom | Custom configurations available | Shipbuilding, power plant frameworks |
| Fittings | Custom | Standard and custom sizes | Plumbing, fluid handling systems |
| Property | Value |
|---|---|
| Density | 8.94 g/cm³ |
| Modulus of Elasticity | 150 GPa |
| Melting Point | 1170°C |
| Thermal Expansion | 16.2 µm/m-°C |
| Thermal Conductivity | 29 W/m-K |
| Electrical Conductivity | 5% IACS |
| Property | Value (Annealed) | Value (Cold-Worked) |
|---|---|---|
| Tensile Strength | 380 MPa | 520 MPa |
| Yield Strength | 125 MPa | 200 MPa |
| Elongation | 30% | 15% |
| Hardness (Rockwell) | B65 | B90 |
| Electrical Property | Value |
|---|---|
| Electrical Conductivity | 5% IACS |
| Electrical Resistivity | 3.4 x 10^-7 Ω·m |
| Thermal Property | Value |
|---|---|
| Thermal Conductivity | 29 W/m-K |
| Specific Heat Capacity | 0.380 J/g-K |
| Thermal Expansion | 16.2 µm/m-°C |
| Process | Suitability |
|---|---|
| Machining | Moderate |
| Welding | Excellent, especially with TIG and MIG welding |
| Forming | Good, suitable for various applications |
| Annealing | Effective for relieving stress |
| Element | Percentage (%) |
|---|---|
| Copper (Cu) | 68.5 – 71.5% |
| Nickel (Ni) | 28.0 – 31.0% |
| Iron (Fe) | 0.40 – 0.80% |
| Material | Corrosion Resistance | Thermal Conductivity | Applications |
|---|---|---|---|
| C71500 Copper (70/30) | Excellent (Seawater) | Moderate | Power plants, desalination units |
| C70600 Copper (90/10) | High | Moderate | Heat exchangers, seawater piping |
| C11000 Copper (ETP) | Moderate | High | Electrical applications |
| Product Type | Price Range (USD/kg) |
|---|---|
| C71500 Copper Sheets & Plates | $22.0 – $27.0 |
| C71500 Copper Pipes & Tubes | $23.0 – $28.0 |
| C71500 Copper Bars & Rods | $21.0 – $25.0 |
| C71500 Copper Angles & Channels | $22.5 – $26.0 |
| C71500 Copper Beams | $23.0 – $27.0 |
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Choose C71500 Copper from Solitaire Steel & Engineering LLP for top-quality, corrosion-resistant solutions. Contact us for detailed pricing and availability!
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