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Type 1 Niobium vs. C84200 Brass

Type 1 niobium belongs to the otherwise unclassified metals classification, while C84200 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Type 1 niobium and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
15
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 38
40
Tensile Strength: Ultimate (UTS), MPa 140
250
Tensile Strength: Yield (Proof), MPa 82
120

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Specific Heat Capacity, J/kg-K 270
370
Thermal Conductivity, W/m-K 52
72
Thermal Expansion, µm/m-K 7.3
19

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.5
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
31
Resilience: Unit (Modulus of Resilience), kJ/m3 32
72
Stiffness to Weight: Axial, points 6.8
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 4.6
8.2
Strength to Weight: Bending, points 7.1
10
Thermal Diffusivity, mm2/s 23
23
Thermal Shock Resistance, points 13
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
78 to 82
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.4
Lead (Pb), % 0
2.0 to 3.0
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 0.8
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 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
10 to 16
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.7