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CC494K Bronze vs. Type 3 Niobium

CC494K bronze belongs to the copper alloys classification, while Type 3 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 CC494K bronze and the bottom bar is Type 3 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 67
110
Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 7.6
23
Poisson's Ratio 0.35
0.4
Shear Modulus, GPa 39
38
Tensile Strength: Ultimate (UTS), MPa 210
220
Tensile Strength: Yield (Proof), MPa 94
140

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Specific Heat Capacity, J/kg-K 360
270
Thermal Conductivity, W/m-K 63
42
Thermal Expansion, µm/m-K 19
7.3

Otherwise Unclassified Properties

Density, g/cm3 9.1
8.6
Embodied Water, L/kg 360
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
44
Resilience: Unit (Modulus of Resilience), kJ/m3 43
93
Stiffness to Weight: Axial, points 6.4
6.8
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 6.5
7.2
Strength to Weight: Bending, points 8.8
9.5
Thermal Diffusivity, mm2/s 19
18
Thermal Shock Resistance, points 7.8
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 78 to 87
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.25
0 to 0.0050
Lead (Pb), % 8.0 to 10
0
Manganese (Mn), % 0 to 0.2
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0 to 2.0
0 to 0.0050
Niobium (Nb), % 0
98.6 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.1
0
Tantalum (Ta), % 0
0 to 0.1
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 0 to 2.0
0
Zirconium (Zr), % 0
0.8 to 1.2