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Grade A Lava vs. Zamak 3

Grade A lava and Zamak 3 belong to fundamentally different material chemistries. Grade A lava is a ceramic material, while Zamak 3 is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (31, 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 grade A lava and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 76 to 170
410
Density, g/cm3 2.3 to 2.5
6.4
Maximum Temperature: Mechanical, °C 650 to 1130
95
Specific Heat Capacity, J/kg-K 840
410
Strength to Weight: Axial, points 0.77 to 2.5
12
Strength to Weight: Bending, points 3.2 to 7.3
15
Tensile Strength: Ultimate (UTS), MPa 6.9 to 21
280
Thermal Conductivity, W/m-K 2.0
110
Thermal Diffusivity, mm2/s 1.0
43
Thermal Expansion, µm/m-K 2.5 to 3.3
27