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Grade 705C Zirconium vs. C87900 Brass

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while C87900 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
110
Elongation at Break, % 13
25
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 87
70
Shear Modulus, GPa 36
41
Tensile Strength: Ultimate (UTS), MPa 540
480
Tensile Strength: Yield (Proof), MPa 390
240

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Specific Heat Capacity, J/kg-K 270
390
Thermal Conductivity, W/m-K 18
120
Thermal Expansion, µm/m-K 5.7
20

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.1
Embodied Water, L/kg 450
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
100
Resilience: Unit (Modulus of Resilience), kJ/m3 790
270
Stiffness to Weight: Axial, points 8.1
7.3
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 9.9
37
Thermal Shock Resistance, points 69
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
63 to 69.2
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
30 to 36
Zirconium (Zr), % 91.9 to 98
0