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Automotive Grey Cast Iron vs. Z20301 Zinc

Automotive grey cast iron belongs to the iron alloys classification, while Z20301 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 grey cast iron and the bottom bar is Z20301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
87
Elongation at Break, % 9.6 to 14
53
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 69 to 70
35
Tensile Strength: Ultimate (UTS), MPa 140 to 290
160
Tensile Strength: Yield (Proof), MPa 94 to 200
130

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
110
Melting Completion (Liquidus), °C 1380 to 1390
410
Melting Onset (Solidus), °C 1340 to 1350
400
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 41 to 43
110
Thermal Expansion, µm/m-K 12 to 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
37

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
11
Density, g/cm3 7.5 to 7.6
6.6
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
2.8
Embodied Energy, MJ/kg 21 to 24
53
Embodied Water, L/kg 44 to 51
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
78
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
96
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.2 to 11
6.7
Strength to Weight: Bending, points 8.0 to 13
9.9
Thermal Diffusivity, mm2/s 11 to 12
44
Thermal Shock Resistance, points 4.2 to 8.6
5.0