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Automotive Malleable Cast Iron vs. Commercially Pure Zinc

Automotive malleable cast iron belongs to the iron alloys classification, while commercially pure zinc belongs to the zinc alloys. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
87
Elongation at Break, % 1.0 to 10
38
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 70
35
Tensile Strength: Ultimate (UTS), MPa 350 to 720
97
Tensile Strength: Yield (Proof), MPa 220 to 590
79

Thermal Properties

Latent Heat of Fusion, J/g 260
110
Melting Completion (Liquidus), °C 1410
410
Melting Onset (Solidus), °C 1370
400
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 41
110
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
37

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
11
Density, g/cm3 7.6
6.6
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 45
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
34
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
36
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 13 to 26
4.1
Strength to Weight: Bending, points 14 to 24
7.1
Thermal Diffusivity, mm2/s 11
44
Thermal Shock Resistance, points 9.9 to 21
3.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 2.2 to 2.9
0
Copper (Cu), % 0
0 to 0.080
Iron (Fe), % 93.6 to 96.7
0 to 0.020
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.15 to 1.3
0
Phosphorus (P), % 0.020 to 0.15
0
Silicon (Si), % 0.9 to 1.9
0
Sulfur (S), % 0.020 to 0.2
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.827 to 100