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Type 1 Niobium vs. C99400 Brass

Type 1 niobium belongs to the otherwise unclassified metals classification, while C99400 brass belongs to the copper alloys. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Type 1 niobium and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
44
Tensile Strength: Ultimate (UTS), MPa 140
460 to 550
Tensile Strength: Yield (Proof), MPa 82
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Specific Heat Capacity, J/kg-K 270
400
Thermal Expansion, µm/m-K 7.3
17

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.7
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 32
230 to 590
Stiffness to Weight: Axial, points 6.8
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 4.6
15 to 17
Strength to Weight: Bending, points 7.1
15 to 17
Thermal Shock Resistance, points 13
16 to 19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
83.5 to 96.5
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
1.0 to 3.5
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
0.5 to 2.0
Tantalum (Ta), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
0.5 to 5.0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.3