MakeItFrom.com
Menu (ESC)

Austempered Cast Iron vs. Zamak 2

Austempered cast iron belongs to the iron alloys classification, while Zamak 2 belongs to the zinc 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 austempered cast iron and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 280
130
Melting Completion (Liquidus), °C 1380
390
Melting Onset (Solidus), °C 1340
380
Specific Heat Capacity, J/kg-K 490
410
Thermal Conductivity, W/m-K 42
110
Thermal Expansion, µm/m-K 13
28

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
12
Density, g/cm3 7.5
6.5
Embodied Carbon, kg CO2/kg material 1.8
3.0
Embodied Energy, MJ/kg 25
57
Embodied Water, L/kg 48
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
20
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
420
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 66
15
Strength to Weight: Bending, points 27 to 44
17
Thermal Diffusivity, mm2/s 11
41
Thermal Shock Resistance, points 25 to 53
11

Alloy Composition

Aluminum (Al), % 0 to 0.050
3.5 to 4.3
Arsenic (As), % 0 to 0.020
0
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 3.4 to 3.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.8
2.5 to 3.3
Iron (Fe), % 89.6 to 94
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0 to 0.040
0.020 to 0.060
Manganese (Mn), % 0.3 to 0.4
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 2.0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0 to 0.030
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0 to 0.020
0 to 0.0030
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0
92.2 to 94