C87900 copper wire is a high-strength copper alloy wire, typically classified as a silicon bronze or similar alloy. It is known for its excellent combination of mechanical strength and corrosion resistance, making it suitable for demanding electrical and industrial applications where pure copper would be too soft or prone to failure.
| Item | Specification / Parameter |
|---|---|
| Alloy Name | C87900 Copper Alloy (Silicon Bronze Type) |
| Typical Designation | C87900 / Silicon Bronze |
| Wire Diameter Range | 0.10 mm – 12.00 mm (common) |
| Common Diameters | 0.20, 0.30, 0.50, 0.80, 1.00, 1.20, 1.50, 2.00, 2.50, 3.00, 4.00, 5.00, 6.00, 8.00, 10.00, 12.00 mm |
| Cross-Section Shapes | Round, square, flat (customizable) |
| Supply Condition / Temper | Soft (O), Half-Hard (H), Hard (H), Age-Hardened (TH), etc. |
| Tensile Strength | Approx. 400 – 900 MPa (varies by temper) |
| Yield Strength | Approx. 200 – 700 MPa (varies by temper) |
| Elongation | Approx. 5% – 40% (varies by temper) |
| Hardness | Approx. 80 – 220 HV (varies by temper) |
| Electrical Conductivity | Approx. 15% – 35% IACS |
| Thermal Conductivity | Approx. 30 – 60 W/(m·K) |
| Density | Approx. 8.7 – 8.9 g/cm³ |
| Modulus of Elasticity | Approx. 110 – 130 GPa |
| Corrosion Resistance | Good, especially resistant to seawater, oxidation, and general acid/alkali environments |
| Operating Temperature Range | Approx. -200°C to +300°C (depending on application) |
| Typical Applications | Electrical connectors, terminals, springs, switches, relays, marine and chemical equipment wiring |
| Surface Treatment | Bare, tin-plated, silver-plated, nickel-plated, etc. |
| Packaging | Spools, reels, drums, coils |
| Applicable Standards | ASTM B98, ASTM B194, GB/T, etc. (per customer requirements) |
