Molybdenum Copper Alloy.
Chemical composition:
| Main and minor components | Min.content(%) |
| Mo | 67-73 |
| Cu | 27-33 |
| Impurities | Max.values (μg/g) |
| Al | 10 |
| Cr | 20 |
| Fe | 20 |
| K | 20 |
| Ni | 10 |
| Si | 30 |
| W | 300 |
| C | 100 |
| H | 10 |
| N | 10 |
| O | 1000 |
| Sn | 10 |
| Sb | 20 |
| Sr | 10 |
| V | 10 |
| Cd | 5 |
| Hg | 1 |
| Pb | 5 |
Thickness and width tolerances:
| Tolerances with width | Width tolerance | |
| Thickness(mm) | Max. 400 mm ± mm or % of the thickness | [± mm] |
| 0.20-0.30 | 0.020 | 0.5 |
| 0.30-0.40 | 0.030 | 0.5 |
| 0.40-0.60 | 0.035 | 1.6 |
| 0.60-1.00 | 0.040 | 1.6 |
| 1.00-1.50 | 4% | 1.6 |
| 1.50-2.00 | 4% | 1.6 |
Lengh tolerance
The length tolerance for all dimensions is maximal +5/-0 mm.
| Flatness | max. 4% (measuring procedure on the basis of ASTM B386) |
| Density | ≥ 9,7 g/cm³ |
| Thermal expansion coefficient | ≤ 9,5 [10-6 × K-1 ] |
| Thermal conductivity [λ at 20°C] | 150 – 190 [W/mK] |
| Specific electrical resistance [ρ at 20°C] | ≤ 0,040 [µΩm] |
| [E-Modulus at 20°C] | 215 - 240 GPa |
| Vickers hardness | ≥ 180 HV |
| Appearance | The material will be of uniform quality, free from foreign matter, splits and fractures. Bed sheets (not trimmed) may have small edge cracks. |
| Surface roughness | Cold-rolled, ground:Ra≤1.5µm |
| Cold-rolled: Ra≤1.5µm |
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