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C43400 Brass vs. Nuclear Grade Hafnium

C43400 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 (14, in this case) are not shown.

For each property being compared, the top bar is C43400 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, % 3.0 to 49
25
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 42
31
Tensile Strength: Ultimate (UTS), MPa 310 to 690
350
Tensile Strength: Yield (Proof), MPa 110 to 560
170

Thermal Properties

Latent Heat of Fusion, J/g 190
130
Specific Heat Capacity, J/kg-K 380
140
Thermal Expansion, µm/m-K 19
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.6
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
73
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
180
Stiffness to Weight: Axial, points 7.2
3.3
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 10 to 22
7.4
Strength to Weight: Bending, points 12 to 20
8.4
Thermal Shock Resistance, points 11 to 24
55

Alloy Composition

Copper (Cu), % 84 to 87
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0
Tin (Sn), % 0.4 to 1.0
0
Zinc (Zn), % 11.4 to 15.6
0
Residuals, % 0
0 to 0.23