High Stress Relaxation Resistance Copper Alloy CAC™ 5
Features
- The copper alloy specifically desgned for terminals with a wire barrel
- Excellent stress relaxation resistance, suitable for automotive applications. Compliant to JASO-C400 class.
- High strength equivalent to phosphorous bronze (C5210) and brass (C2600)
- Registered with the CDA (Copper Development Association)
- A variety of pre-tin plating products are available. Has the plating types of New Tin Reflow and normal tin reflow
Applications
- Special terminals for consumer and industrial use
Nominal Compositions
Cu-0.8Ni-1.2Sn-0.07P (mass%)
Characteristics
Physical Properties
| Specific Gravity | 8.9 |
|---|---|
| Coefficient of Thermal Expansion (293～573K) | 17.7 x 10 -6 K Thermal |
| Conductivity (293K) | 166 W/m.K |
| Electrical Resistivity (293K) | 43.1 nΩ.m |
| Electrical Conductivity (293K) | 40 %IACS |
| Modulus Elasticity (293K) | 130 GPa |
- *Note: The above are typical characteristics.
Mechanical Properties
| Temper | Tensile Strength MPa |
Yield Strength MPa |
Elongation % |
Vickers Hardness MHv: 4.9N |
|---|---|---|---|---|
| H/SP | 500–590 | 530 | 7 min | 155–185 |
| EH/SP | 540–630 | 570 | 5 min | 165–200 |
- *Note 1: Figures in yield strength are nominal values.
- *Note 2: The above tensile strength and hardness are standard specifications. Technical specifications will be determined according to consumer requests.
90°V-Type Bend-Formability (MBR)
| Temper | Good Way | Bad Way |
|---|---|---|
| H/SP | 0 | 0 |
| EH/SP | 0.2 | 0.2 |
- *Note: The above are typical characteristics. The value slightly varies depending on the thickness of specimens.
Contact Us
You can reach us by clicking the inquiry button.