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Zamak 2 vs. R05252 Alloy

Zamak 2 belongs to the zinc alloys classification, while R05252 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is Zamak 2 and the bottom bar is R05252 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
23
Poisson's Ratio 0.26
0.33
Shear Modulus, GPa 33
73
Tensile Strength: Ultimate (UTS), MPa 360
310
Tensile Strength: Yield (Proof), MPa 270
220

Thermal Properties

Latent Heat of Fusion, J/g 130
140
Specific Heat Capacity, J/kg-K 410
140
Thermal Expansion, µm/m-K 28
6.7

Otherwise Unclassified Properties

Density, g/cm3 6.5
17
Embodied Water, L/kg 380
600

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
63
Resilience: Unit (Modulus of Resilience), kJ/m3 420
120
Stiffness to Weight: Axial, points 7.5
6.5
Stiffness to Weight: Bending, points 23
12
Strength to Weight: Axial, points 15
5.2
Strength to Weight: Bending, points 17
6.1
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 2.5 to 3.3
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.1
0 to 0.010
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.020
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0 to 0.030
0 to 0.0050
Tantalum (Ta), % 0
88.8 to 91
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
9.0 to 11
Zinc (Zn), % 92.2 to 94
0