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C68700 Brass vs. Grade 704C Zirconium

C68700 brass belongs to the copper alloys classification, while grade 704C zirconium belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is grade 704C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
97
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 390
470
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 100
21
Thermal Expansion, µm/m-K 19
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.3
6.7
Embodied Water, L/kg 340
460

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
490
Stiffness to Weight: Axial, points 7.3
8.1
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 14
20
Thermal Diffusivity, mm2/s 30
12
Thermal Shock Resistance, points 13
58

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.1
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 0.3
Lead (Pb), % 0 to 0.070
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Tin (Sn), % 0
1.0 to 2.0
Zinc (Zn), % 17.8 to 22.2
0
Zirconium (Zr), % 0
92.9 to 99
Residuals, % 0 to 0.5
0