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Type 1 Niobium vs. CC761S Brass

Type 1 niobium belongs to the otherwise unclassified metals classification, while CC761S brass belongs to the copper alloys. 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 Type 1 niobium and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 79
150
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
8.7
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 38
42
Tensile Strength: Ultimate (UTS), MPa 140
540
Tensile Strength: Yield (Proof), MPa 82
340

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 52
27
Thermal Expansion, µm/m-K 7.3
18

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
41
Resilience: Unit (Modulus of Resilience), kJ/m3 32
530
Stiffness to Weight: Axial, points 6.8
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 4.6
18
Strength to Weight: Bending, points 7.1
18
Thermal Diffusivity, mm2/s 23
8.0
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
78 to 83
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 0
0 to 0.2
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.0050
3.0 to 5.0
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
8.9 to 19
Zirconium (Zr), % 0 to 0.020
0