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CR021A Copper vs. Grade 366 Molybdenum

CR021A copper belongs to the copper alloys classification, while grade 366 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR021A copper and the bottom bar is grade 366 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
300
Elongation at Break, % 15
2.2
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 43
120
Tensile Strength: Ultimate (UTS), MPa 230
580
Tensile Strength: Yield (Proof), MPa 140
470

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Specific Heat Capacity, J/kg-K 390
210
Thermal Expansion, µm/m-K 17
7.6

Otherwise Unclassified Properties

Density, g/cm3 9.0
12
Embodied Carbon, kg CO2/kg material 2.6
27
Embodied Energy, MJ/kg 41
340
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
12
Resilience: Unit (Modulus of Resilience), kJ/m3 83
370
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
13
Strength to Weight: Bending, points 9.3
13
Thermal Shock Resistance, points 8.1
18

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 99.95 to 99.998
0
Iron (Fe), % 0
0 to 0.010
Lead (Pb), % 0 to 0.0050
0
Molybdenum (Mo), % 0
66.9 to 73
Nickel (Ni), % 0
0 to 0.0020
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.0025
Phosphorus (P), % 0.0020 to 0.0070
0
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0 to 0.015
0
Tungsten (W), % 0
27 to 33