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C95520 Bronze vs. Nuclear Grade Hafnium

C95520 bronze 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 (12, in this case) are not shown.

For each property being compared, the top bar is C95520 bronze 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, % 2.6
25
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 970
350
Tensile Strength: Yield (Proof), MPa 530
170

Thermal Properties

Latent Heat of Fusion, J/g 240
130
Specific Heat Capacity, J/kg-K 450
140
Thermal Expansion, µm/m-K 18
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.2
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
73
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
180
Stiffness to Weight: Axial, points 8.0
3.3
Stiffness to Weight: Bending, points 20
11
Strength to Weight: Axial, points 33
7.4
Strength to Weight: Bending, points 27
8.4
Thermal Shock Resistance, points 33
55

Alloy Composition

Aluminum (Al), % 10.5 to 11.5
0
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.5 to 81.3
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 4.0 to 5.5
0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.2 to 6.0
0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0
0 to 0.23