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C85400 Brass vs. Type 3 Niobium

C85400 brass belongs to the copper alloys classification, while Type 3 niobium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is Type 3 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
110
Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 23
23
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 220
220
Tensile Strength: Yield (Proof), MPa 85
140

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Specific Heat Capacity, J/kg-K 380
270
Thermal Conductivity, W/m-K 89
42
Thermal Expansion, µm/m-K 20
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.6
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
44
Resilience: Unit (Modulus of Resilience), kJ/m3 35
93
Stiffness to Weight: Axial, points 7.0
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 7.5
7.2
Strength to Weight: Bending, points 9.9
9.5
Thermal Diffusivity, mm2/s 28
18
Thermal Shock Resistance, points 7.6
21

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 65 to 70
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.7
0 to 0.0050
Lead (Pb), % 1.5 to 3.8
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0 to 1.0
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 to 0.050
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Tin (Sn), % 0.5 to 1.5
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 24 to 32
0
Zirconium (Zr), % 0
0.8 to 1.2
Residuals, % 0 to 1.1
0