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C19000 Copper vs. Nuclear Grade Hafnium

C19000 copper belongs to the copper alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C19000 copper and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
78
Elongation at Break, % 2.5 to 50
25
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 43
31
Tensile Strength: Ultimate (UTS), MPa 260 to 760
350
Tensile Strength: Yield (Proof), MPa 140 to 630
170

Thermal Properties

Latent Heat of Fusion, J/g 210
130
Specific Heat Capacity, J/kg-K 390
140
Thermal Expansion, µm/m-K 17
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.9
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 110
73
Resilience: Unit (Modulus of Resilience), kJ/m3 89 to 1730
180
Stiffness to Weight: Axial, points 7.2
3.3
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 8.2 to 24
7.4
Strength to Weight: Bending, points 10 to 21
8.4
Thermal Shock Resistance, points 9.3 to 27
55

Alloy Composition

Copper (Cu), % 96.9 to 99
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0.9 to 1.3
0
Phosphorus (P), % 0.15 to 0.35
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.23