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Austenitic Nodular Cast Iron vs. Zamak 7

Austenitic nodular cast iron belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is austenitic nodular cast iron and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 240
80
Elastic (Young's, Tensile) Modulus, GPa 180 to 190
86
Elongation at Break, % 6.8 to 34
13
Poisson's Ratio 0.29 to 0.3
0.25
Shear Modulus, GPa 70 to 72
33
Tensile Strength: Ultimate (UTS), MPa 430 to 500
280
Tensile Strength: Yield (Proof), MPa 190 to 240
250

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
120
Melting Completion (Liquidus), °C 1340 to 1400
390
Melting Onset (Solidus), °C 1300 to 1360
380
Specific Heat Capacity, J/kg-K 470 to 490
410
Thermal Expansion, µm/m-K 13 to 14
27

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
11
Density, g/cm3 7.7 to 8.0
6.4
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
3.0
Embodied Energy, MJ/kg 48 to 68
57
Embodied Water, L/kg 91 to 120
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
36
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
370
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24 to 25
23
Strength to Weight: Axial, points 15 to 18
12
Strength to Weight: Bending, points 16 to 18
15
Thermal Shock Resistance, points 12 to 15
8.6