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CC751S Brass vs. Type 2 Niobium

CC751S brass belongs to the copper alloys classification, while Type 2 niobium belongs to the otherwise unclassified metals. 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 CC751S brass and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
110
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 5.6
29
Poisson's Ratio 0.31
0.4
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 450
140
Tensile Strength: Yield (Proof), MPa 320
82

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 110
52
Thermal Expansion, µm/m-K 20
7.3

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
35
Resilience: Unit (Modulus of Resilience), kJ/m3 480
32
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 15
4.6
Strength to Weight: Bending, points 16
7.1
Thermal Diffusivity, mm2/s 35
23
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 62.7 to 66
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0.25 to 0.5
0 to 0.010
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.8
0 to 0.0050
Niobium (Nb), % 0
99.5 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0.65 to 1.1
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.3
Tin (Sn), % 0 to 0.8
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 27.9 to 35.6
0
Zirconium (Zr), % 0
0 to 0.020