- melody@chengyi-sh.com
- +86 13916940028
- The shipping costs are rising, contact us for a real-time quote.
Adding Cr and other elements to the copper matrix results in excellent electrical, mechanical, and thermal conductivity properties of C18400. It is widely used in high-end car connectors, electronic connectors, mobile communication connectors, lead frames, resistance welding electrodes and other materials.
| Grade | Chemical composition（%） | Thickness(mm) | ||||
| GB | ASTM | EN | Cu | Cr | Other | 0.08-5.0 |
| TCr0.9 | C18400 | CuCr1 | Balance | 0.4-1.2 | ≤0.5 | |
| Physical properties | ||||||
| Density (g/cm³) |
Modulus of elasticity (GPa) |
Thermal expansion coefficient (×10-6/K) |
Electrical conductivity (%IACS) |
Thermal conductivity W(m·K) |
||
| 8.9 | 135 | 18.6 | 86 | 330 | ||
| Mechanical properties | Bend properties | |||||
| Temper | Hardness HV |
Tension test | 90°R/T(Thick＜0.5mm) | |||
| Tensile Strength Rm/MPa |
Yield Strength MPa |
Elongation % |
Good way | Bad way | ||
| R480 | 150-190 | 480-570 | ≥450 | ≥8 | 0.5 | 1 |
| R540 | 160-200 | 540-630 | ≥500 | ≥4 | 1.5 | 1.5 |
| R600 | 170-200 | 600-690 | ≥560 | ≥2 | – | – |
In order to repay your support, we provide exclusive discounts. Please share more needs and we will provide you with the best solution.
To make it easier for you to receive a quote, simply leave your information, and we will contact you as soon as possible.
