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C81400 Copper vs. Grade 364 Molybdenum

C81400 copper belongs to the copper alloys classification, while grade 364 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is grade 364 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
310
Elongation at Break, % 11
6.2 to 11
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
120
Tensile Strength: Ultimate (UTS), MPa 370
580 to 720
Tensile Strength: Yield (Proof), MPa 250
350 to 620

Thermal Properties

Latent Heat of Fusion, J/g 210
370
Specific Heat Capacity, J/kg-K 390
250
Thermal Expansion, µm/m-K 17
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.9
10
Embodied Carbon, kg CO2/kg material 2.8
28
Embodied Energy, MJ/kg 45
330
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
43 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 260
200 to 630
Stiffness to Weight: Axial, points 7.3
17
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 11
16 to 20
Strength to Weight: Bending, points 13
15 to 17
Thermal Shock Resistance, points 13
19 to 24

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0.010 to 0.040
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
0 to 0.010
Molybdenum (Mo), % 0
99.2 to 99.5
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.0050
Titanium (Ti), % 0
0.4 to 0.55
Zirconium (Zr), % 0
0.060 to 0.12
Residuals, % 0 to 0.5
0