C18090 belongs to Cu-Ni-Sn-Cr-Ti alloy, which achieves excellent comprehensive properties through cold working and heat treatment; C18090 has excellent bending performance, high strength, and good corrosion resistance; Excellent conductivity and thermal conductivity, as well as excellent welding, soldering, and brazing performance. It is widely used in industries such as signal connectors, relays, and semiconductors.
| Grade | Chemical composition（%）≤ | Thickness (mm) |
||||
| ASTM | Cu | Sn | Ni | Cr | Ti | |
| C18090 | ＞96 | 0.5-1.2 | 0.3-1.2 | 0.2-1.0 | 0.15-0.8 | 0.1-0.3 |
| Physical properties | |||||
| Density (g/cm³) |
Modulus of elasticity (GPa) |
Thermal expansion coefficient (×10-6/K) |
Electrical conductivity (%IACS) |
Thermal conductivity W(m·K) |
|
| 8.82 | 133 | 17.6 | 60 | 240 | |
| 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 | ||
| R450 | ≥130 | 450-540 | ≥350 | ≥6 | 0.5 | 0.5 |
| R540 | ≥160 | 540-620 | ≥450 | ≥3 | 1.0 | 2.0 |
| R620 | ≥180 | 620-700 | ≥520 | ≥1 | 3.0 | 6.0 |
FAQ
Q: How long is your delivery time?
A: Generally it is within 15 days if the goods are in stock. or it is less than 30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ?
A: Yes, we could offer the sample
Q: What ls your terms of payment
A.30% T/T in advance ,balance before shipment. And the price depends on the material and the quantity
If you have another question, please feel free to contact us.
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