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C43400 Brass vs. Type 3 Niobium

C43400 brass belongs to the copper alloys classification, while Type 3 niobium belongs to the otherwise unclassified metals. There are 20 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 C43400 brass and the bottom bar is Type 3 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 3.0 to 49
23
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 42
38
Tensile Strength: Ultimate (UTS), MPa 310 to 690
220
Tensile Strength: Yield (Proof), MPa 110 to 560
140

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Specific Heat Capacity, J/kg-K 380
270
Thermal Conductivity, W/m-K 140
42
Thermal Expansion, µm/m-K 19
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
44
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
93
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 22
7.2
Strength to Weight: Bending, points 12 to 20
9.5
Thermal Diffusivity, mm2/s 41
18
Thermal Shock Resistance, points 11 to 24
21

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 84 to 87
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.050
0 to 0.0050
Lead (Pb), % 0 to 0.050
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
98.6 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 11.4 to 15.6
0
Zirconium (Zr), % 0
0.8 to 1.2
Residuals, % 0 to 0.5
0