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CC212E Bronze vs. Type 2 Niobium

CC212E bronze belongs to the copper alloys classification, while Type 2 niobium belongs to the otherwise unclassified metals. There are 19 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 CC212E bronze and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
110
Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 20
29
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 47
38
Tensile Strength: Ultimate (UTS), MPa 710
140
Tensile Strength: Yield (Proof), MPa 310
82

Thermal Properties

Latent Heat of Fusion, J/g 230
320
Specific Heat Capacity, J/kg-K 440
270
Thermal Expansion, µm/m-K 18
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.2
8.6
Embodied Water, L/kg 370
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
35
Resilience: Unit (Modulus of Resilience), kJ/m3 390
32
Stiffness to Weight: Axial, points 8.5
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
4.6
Strength to Weight: Bending, points 21
7.1
Thermal Shock Resistance, points 22
13

Alloy Composition

Aluminum (Al), % 7.0 to 9.0
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 68 to 77
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 2.0 to 4.0
0 to 0.010
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 8.0 to 15
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 1.5 to 4.5
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 to 0.1
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.3
Tin (Sn), % 0 to 0.5
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0
0 to 0.020