Brief Overview: C17460 alloy is a precipitation hardening type diamond locking copper alloy, which has comprehensive advantages such as high strength, ultra-high electrical and thermal conductivity, low stress relaxation, and excellent corrosion resistance. This material has much better conductivity than conventional high copper plating, while retaining stable mechanical strength and elastic properties. It has good formability and excellent surface quality, making it very suitable for precision conductive elastic components with high current, high heat dissipation, and long-term stable operation.
Main features and advantages
1. Ultra high conductivity and thermal conductivity: Compared with traditional copper alloys, it has significant advantages in conductivity, with a conductivity of over 55% IACS and excellent heat dissipation performance. It can effectively reduce the temperature rise during high current operation and is suitable for continuous heating conditions.
2. Excellent resistance to stress relaxation and high temperature stability: Under high temperature conditions, the strength attenuation is small, the elastic stability is high, the fatigue and relaxation resistance are excellent, and it is not easy to deform and fail under long-term repeated loads. It is suitable for long-term service scenarios in electronic control and new energy.
3. Stable corrosion resistance: It has good corrosion resistance in atmospheric, freshwater, and humid environments, and can meet the needs of conventional industrial, outdoor, and vehicle environments.
4. Special performance advantages: non-magnetic, impact spark free, stable performance in the low temperature to conventional high temperature range, suitable for precision instruments, explosion-proof and electromagnetic interference sensitive scenarios.
5. Excellent processing and welding performance: Good cold and hot processing performance, capable of high-speed precision stamping forming; Suitable for laser welding, argon arc welding, and various brazing processes, with high consistency and good yield of finished products.
| Chemical Composition C17460(wt,%): | |||||||
| Be | Ni | Zr | Sn | Al | Fe | Si | Cu |
| 0.15-0.5 | 1.0-1.4 | <0.5 | <0.25 | <0.2 | <0.2 | <0.2 | Rem. |
| Physical and Mechanical property: | |||||||
| Alloy | Temper | Tensile Strength | 50mm Elongation | Hardness | Electrical Conductivity | ||
| ksi | MPa | B,% | HV0.5 | HRB | %, IACS | ||
| C17460 | 3/4HT | 115-135 | 790-930 | >11 | 98-105 | >50 | |
Core Applications:
C17410 and C17460 strip is widely used in high-reliability industries. Benefiting from its high conductivity and reliable elasticity, C17410 strip is widely used in precision electronic and electrical industries that require both current-carrying capacity and structural stability. Typical applications include ultra-thin precision spring contacts, conductive terminals and connectors for consumer electronics, household appliances and automotive electronics. It is also ideal for manufacturing micro conductive shrapnels, low-load elastic components, precision machined electrical parts, and corrosion-resistant conductive structural parts. In addition, it serves as raw material for small-scale welding electrodes, precision instrument elastic accessories and miniature bearing components, fully adapting to high-precision, low-deformation and high-conductivity working scenarios.