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C87500 Brass vs. Type 1 Niobium

C87500 brass belongs to the copper alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
29
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 42
38
Tensile Strength: Ultimate (UTS), MPa 460
140
Tensile Strength: Yield (Proof), MPa 190
82

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Specific Heat Capacity, J/kg-K 410
270
Thermal Conductivity, W/m-K 28
52
Thermal Expansion, µm/m-K 18
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.6
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
35
Resilience: Unit (Modulus of Resilience), kJ/m3 160
32
Stiffness to Weight: Axial, points 7.4
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
4.6
Strength to Weight: Bending, points 16
7.1
Thermal Diffusivity, mm2/s 8.3
23
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 79 to 85
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.0050
Lead (Pb), % 0 to 0.5
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 3.0 to 5.0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 12 to 16
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0