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C87500 Brass vs. Nuclear Grade Hafnium

C87500 brass 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 (11, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
78
Elongation at Break, % 18
25
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 42
31
Tensile Strength: Ultimate (UTS), MPa 460
350
Tensile Strength: Yield (Proof), MPa 190
170

Thermal Properties

Latent Heat of Fusion, J/g 260
130
Specific Heat Capacity, J/kg-K 410
140
Thermal Expansion, µm/m-K 18
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.3
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
73
Resilience: Unit (Modulus of Resilience), kJ/m3 160
180
Stiffness to Weight: Axial, points 7.4
3.3
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 16
7.4
Strength to Weight: Bending, points 16
8.4
Thermal Shock Resistance, points 17
55

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 79 to 85
0
Hafnium (Hf), % 0
99.8 to 100
Lead (Pb), % 0 to 0.5
0
Silicon (Si), % 3.0 to 5.0
0
Zinc (Zn), % 12 to 16
0
Residuals, % 0
0 to 0.23