Original
By certification 
Copper-chromium (CuCr) Shields
1.Preparation method code: C-Vacuum casting；P- PM(Powder Metallurgy).
2.The chemical composition and properties：
Material |
Chemical Compositions (wt%) |
Mechanical Properties |
|||||
Cu |
Cr |
Gas Content |
Hardness HB (Mpa) |
Density (g/cm3) |
Electrical Conductivity (Ms/m) |
||
O |
N |
||||||
CuCr10/P |
Balance |
7.0-12.0 |
＜0.1400 |
＜0.0050 |
≥50 |
≥7.6 |
≥30.0 |
CuCr25/C |
Balance |
24.0-28.0 |
＜0.080 |
＜0.0050 |
70-105 |
≥8.30 |
≥28.0 |
3.Copper-chromium shields of various sizes and shapes:
4. Shields in Vacuum Interrupter as below：
http://www.sirui-material.com/
