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C85800 Brass vs. Nuclear Grade Hafnium

C85800 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 (12, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
78
Elongation at Break, % 15
25
Poisson's Ratio 0.31
0.26
Shear Modulus, GPa 40
31
Tensile Strength: Ultimate (UTS), MPa 380
350
Tensile Strength: Yield (Proof), MPa 210
170

Thermal Properties

Latent Heat of Fusion, J/g 170
130
Specific Heat Capacity, J/kg-K 380
140
Thermal Expansion, µm/m-K 20
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.0
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
73
Resilience: Unit (Modulus of Resilience), kJ/m3 210
180
Stiffness to Weight: Axial, points 7.2
3.3
Stiffness to Weight: Bending, points 20
11
Strength to Weight: Axial, points 13
7.4
Strength to Weight: Bending, points 15
8.4
Thermal Shock Resistance, points 13
55

Alloy Composition

Aluminum (Al), % 0 to 0.55
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 57 to 69
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 1.5
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 31 to 41
0
Residuals, % 0
0 to 0.23