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Zamak 2 vs. Austempered Cast Iron

Zamak 2 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 (9, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
270 to 490
Elastic (Young's, Tensile) Modulus, GPa 87
180
Elongation at Break, % 6.0
1.1 to 13
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 33
62 to 69
Tensile Strength: Ultimate (UTS), MPa 360
860 to 1800
Tensile Strength: Yield (Proof), MPa 270
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 130
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 28
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.9
Density, g/cm3 6.5
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 20
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 420
880 to 3970
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
32 to 66
Strength to Weight: Bending, points 17
27 to 44
Thermal Diffusivity, mm2/s 41
11
Thermal Shock Resistance, points 11
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), % 2.5 to 3.3
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), % 92.2 to 94
0