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CC755S Brass vs. Type 4 Niobium

CC755S brass belongs to the copper alloys classification, while Type 4 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 CC755S brass and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
120
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 9.5
23
Poisson's Ratio 0.31
0.4
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 390
220
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 120
42
Thermal Expansion, µm/m-K 21
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 33
44
Resilience: Unit (Modulus of Resilience), kJ/m3 290
93
Stiffness to Weight: Axial, points 7.1
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 14
7.2
Strength to Weight: Bending, points 15
9.5
Thermal Diffusivity, mm2/s 38
18
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 59.5 to 61
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0.050 to 0.2
0 to 0.010
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0
Molybdenum (Mo), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.2
0 to 0.0050
Niobium (Nb), % 0
98.1 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0 to 0.050
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 35.8 to 38.9
0
Zirconium (Zr), % 0
0.8 to 1.2