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Grade 702C Zirconium vs. Zamak 2

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while Zamak 2 belongs to the zinc alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
100
Elastic (Young's, Tensile) Modulus, GPa 97
87
Elongation at Break, % 13
6.0
Poisson's Ratio 0.34
0.26
Rockwell B Hardness 84
63
Shear Modulus, GPa 36
33
Tensile Strength: Ultimate (UTS), MPa 430
360
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 250
130
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 5.7
28

Otherwise Unclassified Properties

Density, g/cm3 6.7
6.5
Embodied Water, L/kg 450
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
20
Resilience: Unit (Modulus of Resilience), kJ/m3 510
420
Stiffness to Weight: Axial, points 8.1
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 12
41
Thermal Shock Resistance, points 55
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
2.5 to 3.3
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
92.2 to 94
Zirconium (Zr), % 94.8 to 100
0