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C68700 Brass vs. Low-oxygen Zirconium

C68700 brass belongs to the copper alloys classification, while low-oxygen zirconium belongs to the otherwise unclassified metals. There are 18 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 C68700 brass and the bottom bar is low-oxygen zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
98
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 390
330
Tensile Strength: Yield (Proof), MPa 140
270

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 100
22
Thermal Expansion, µm/m-K 19
5.7

Otherwise Unclassified Properties

Density, g/cm3 8.3
6.7
Embodied Water, L/kg 340
450

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
370
Stiffness to Weight: Axial, points 7.3
8.1
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
14
Strength to Weight: Bending, points 14
16
Thermal Diffusivity, mm2/s 30
12
Thermal Shock Resistance, points 13
42

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 76 to 79
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.060
0 to 0.2
Lead (Pb), % 0 to 0.070
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.1
Zinc (Zn), % 17.8 to 22.2
0
Zirconium (Zr), % 0
94.7 to 100
Residuals, % 0 to 0.5
0