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Grey Cast Iron vs. ZA-12

Grey cast iron belongs to the iron alloys classification, while ZA-12 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grey cast iron and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 300
89 to 100
Compressive (Crushing) Strength, MPa 570 to 1290
230 to 270
Elastic (Young's, Tensile) Modulus, GPa 180
83
Elongation at Break, % 9.6
1.6 to 5.3
Fatigue Strength, MPa 69 to 170
73 to 120
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 69
33
Shear Strength, MPa 180 to 610
240 to 300
Tensile Strength: Ultimate (UTS), MPa 160 to 450
260 to 400
Tensile Strength: Yield (Proof), MPa 98 to 290
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Melting Completion (Liquidus), °C 1380
430
Melting Onset (Solidus), °C 1180
380
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 46
120
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
42

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
11
Density, g/cm3 7.5
6.0
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 21
64
Embodied Water, L/kg 44
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
260 to 620
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 5.8 to 17
12 to 19
Strength to Weight: Bending, points 8.7 to 17
15 to 20
Thermal Diffusivity, mm2/s 13
43
Thermal Shock Resistance, points 6.0 to 17
9.4 to 14

Alloy Composition

Aluminum (Al), % 0
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 3.1 to 3.4
0
Copper (Cu), % 0
0.5 to 1.2
Iron (Fe), % 92.1 to 93.9
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0.5 to 0.7
0
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.9
0
Silicon (Si), % 2.5 to 2.8
0 to 0.060
Sulfur (S), % 0 to 0.15
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
87.1 to 89