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Type 3 Niobium vs. C49300 Brass

Type 3 niobium belongs to the otherwise unclassified metals classification, while C49300 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 3 niobium and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 23
4.5 to 20
Poisson's Ratio 0.4
0.31
Shear Modulus, GPa 38
40
Tensile Strength: Ultimate (UTS), MPa 220
430 to 520
Tensile Strength: Yield (Proof), MPa 140
210 to 410

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Specific Heat Capacity, J/kg-K 270
380
Thermal Conductivity, W/m-K 42
88
Thermal Expansion, µm/m-K 7.3
20

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.0
Embodied Water, L/kg 160
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
21 to 71
Resilience: Unit (Modulus of Resilience), kJ/m3 93
220 to 800
Stiffness to Weight: Axial, points 6.8
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.2
15 to 18
Strength to Weight: Bending, points 9.5
16 to 18
Thermal Diffusivity, mm2/s 18
29
Thermal Shock Resistance, points 21
14 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
58 to 62
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.1
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.030
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 1.5
Niobium (Nb), % 98.6 to 99.2
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 0.2
Selenium (Se), % 0
0 to 0.2
Silicon (Si), % 0 to 0.0050
0 to 0.1
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
1.0 to 1.8
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
30.6 to 40.5
Zirconium (Zr), % 0.8 to 1.2
0
Residuals, % 0
0 to 0.5