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Type 4 Niobium vs. C48500 Brass

Type 4 niobium belongs to the otherwise unclassified metals classification, while C48500 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Type 4 niobium and the bottom bar is C48500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 23
13 to 40
Poisson's Ratio 0.4
0.31
Shear Modulus, GPa 38
39
Tensile Strength: Ultimate (UTS), MPa 220
400 to 500
Tensile Strength: Yield (Proof), MPa 140
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Specific Heat Capacity, J/kg-K 270
380
Thermal Conductivity, W/m-K 42
120
Thermal Expansion, µm/m-K 7.3
21

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.1
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
56 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 93
120 to 500
Stiffness to Weight: Axial, points 6.8
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.2
14 to 17
Strength to Weight: Bending, points 9.5
15 to 17
Thermal Diffusivity, mm2/s 18
38
Thermal Shock Resistance, points 21
13 to 17

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
59 to 62
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
1.3 to 2.2
Molybdenum (Mo), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.0050
0
Niobium (Nb), % 98.1 to 99.2
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.025
0
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 0 to 0.5
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
34.3 to 39.2
Zirconium (Zr), % 0.8 to 1.2
0
Residuals, % 0
0 to 0.4