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C42500 alloy has moderate conductivity, comparable strength to phosphorus bronze, excellent fatigue performance, and good wear resistance. C42500 is resistant to atmospheric and seawater corrosion, and is not sensitive to stress corrosion cracking. This material is very suitable for applications in automobiles, industrial connectors, and shrapnel.
| Grade | Chemical composition（%）≤ | Thickness (mm) |
|||||
| ASTM | Cu | Sn | P | Fe | Pb | Zn | 0.1-2.0 |
| C42500 | 87-90 | 1.5-3.0 | 0.35 | 0.05 | 0.05 | Balance | |
| Physical properties | |||||||
| Density (g/cm³) |
Modulus of elasticity (GPa) |
Thermal expansion coefficient (×10-6/K) |
Electrical conductivity (%IACS) |
Thermal conductivity W(m·K) |
|||
| 8.75 | 115 | 18.4 | 28 | 120 | |||
| Mechanical properties | Bend properties | ||||||
| Temper | Vickers Hardness HV0.2 |
Tension test | 90°R/T(Thick≤0.5mm) | ||||
| Tensile Strength （MPa） |
Yield Strength (MPa） |
Elongation % （A50） |
Good way | Bad way | |||
| R395（1/2H） | 110-150 | 395-485 | 355-465 | ≥18 | 0 | 0 | |
| R430（3/4H） | 130-170 | 430-510 | 400-490 | ≥12 | 0 | 0 | |
| R485（H） | 160-180 | 485-565 | 455-545 | ≥9 | 0 | 0.5 | |
| R525（EH） | 170-190 | 525-605 | 495-585 | ≥7 | 0.5 | 1 | |
| R580（SH） | 180-200 | 580-650 | 550-630 | ≥3 | 1.5 | 2.5 | |
| R635（ESH） | ≥200 | ≥635 | ≥600 | – | – | – | |
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
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