Titanium Copper Alloy
C1990 ― High Strength Titanium Copper Alloy
C1990
High strength, superior stress relaxation resistance
Overview
Titanium copper alloy C1990, combining high strength with excellent bend formability, has properties similar to beryllium copper (mill-hardened material). It is designed for use as a material in high-end switches, connectors, relays, and other electronic parts.
Table 1. C1990 chemical composition (%)
| Ti | Cu + Ti | |
|---|---|---|
| Standard composition | 2.90~3.50 | ≧ 99.5 |
Table 2. Physical properties of C1990
| Electrical conductivity | 12 | %IACS (@20℃) |
|---|---|---|
| Specific resistance | 144 | nΩ·m (@20℃) |
| Thermal conductivity | 54 | W/mK |
| Linear expansion coefficient | 18.6 | ×10-6/K (20 to 300℃) |
| Modulus of elasticity | 127 | GPa |
| Density | 8.70 | g/cm3 |
Table 3. Mechanical properties of C1990 (specifications)
| Temper | Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
Vickers hardness (Hv) |
|---|---|---|---|---|
| 1/4H | 735-930 | - | 10min | 250min |
| EH | 885-1080 | 800-900 | 5min | 280min |
Contact Information
From the Web
Inquiries accepted 24 hours a day