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C68300 Brass vs. Grade 705C Zirconium

C68300 brass belongs to the copper alloys classification, while grade 705C zirconium 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 C68300 brass and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
98
Elongation at Break, % 15
13
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 60
87
Shear Modulus, GPa 40
36
Tensile Strength: Ultimate (UTS), MPa 430
540
Tensile Strength: Yield (Proof), MPa 260
390

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Specific Heat Capacity, J/kg-K 390
270
Thermal Conductivity, W/m-K 120
18
Thermal Expansion, µm/m-K 20
5.7

Otherwise Unclassified Properties

Density, g/cm3 8.0
6.7
Embodied Water, L/kg 340
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
66
Resilience: Unit (Modulus of Resilience), kJ/m3 330
790
Stiffness to Weight: Axial, points 7.3
8.1
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 38
9.9
Thermal Shock Resistance, points 14
69

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 59 to 63
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.090
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.3 to 1.0
0
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0
Zirconium (Zr), % 0
91.9 to 98
Residuals, % 0 to 0.5
0