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Grade 702C Zirconium vs. Zamak 7

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while Zamak 7 belongs to the zinc alloys. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
80
Elastic (Young's, Tensile) Modulus, GPa 97
86
Elongation at Break, % 13
13
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 36
33
Tensile Strength: Ultimate (UTS), MPa 430
280
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 5.7
27

Otherwise Unclassified Properties

Density, g/cm3 6.7
6.4
Embodied Water, L/kg 450
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
36
Resilience: Unit (Modulus of Resilience), kJ/m3 510
370
Stiffness to Weight: Axial, points 8.1
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 19
15
Thermal Diffusivity, mm2/s 12
43
Thermal Shock Resistance, points 55
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Nickel (Ni), % 0
0.0050 to 0.020
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5
Zirconium (Zr), % 94.8 to 100
0