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Zamak 3 vs. Austempered Cast Iron

Zamak 3 belongs to the zinc alloys classification, while austempered cast iron belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 83
270 to 490
Elastic (Young's, Tensile) Modulus, GPa 86
180
Elongation at Break, % 11
1.1 to 13
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
62 to 69
Tensile Strength: Ultimate (UTS), MPa 280
860 to 1800
Tensile Strength: Yield (Proof), MPa 210
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 120
280
Melting Completion (Liquidus), °C 390
1380
Melting Onset (Solidus), °C 380
1340
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 110
42
Thermal Expansion, µm/m-K 27
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.9
Density, g/cm3 6.4
7.5
Embodied Carbon, kg CO2/kg material 3.0
1.8
Embodied Energy, MJ/kg 57
25
Embodied Water, L/kg 380
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 260
880 to 3970
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
32 to 66
Strength to Weight: Bending, points 15
27 to 44
Thermal Diffusivity, mm2/s 43
11
Thermal Shock Resistance, points 8.6
25 to 53

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
3.4 to 3.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
0 to 0.8
Iron (Fe), % 0 to 0.1
89.6 to 94
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0 to 0.040
Manganese (Mn), % 0
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.020
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
2.3 to 2.7
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0 to 0.020
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 95.3 to 96.5
0