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Austenitic Nodular Cast Iron vs. Austenitic Grey Cast Iron

Both austenitic nodular cast iron and austenitic grey cast iron are iron alloys. There are 20 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 austenitic nodular cast iron and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 240
110 to 210
Elastic (Young's, Tensile) Modulus, GPa 180 to 190
180
Poisson's Ratio 0.29 to 0.3
0.29 to 0.3
Shear Modulus, GPa 70 to 72
69 to 72
Tensile Strength: Ultimate (UTS), MPa 430 to 500
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
280 to 350
Melting Completion (Liquidus), °C 1340 to 1400
1340 to 1400
Melting Onset (Solidus), °C 1300 to 1360
1290 to 1350
Specific Heat Capacity, J/kg-K 470 to 490
470 to 490
Thermal Expansion, µm/m-K 13 to 14
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
14 to 24
Density, g/cm3 7.7 to 8.0
7.7 to 8.1
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
3.1 to 4.7
Embodied Energy, MJ/kg 48 to 68
43 to 65
Embodied Water, L/kg 91 to 120
93 to 120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24 to 25
23 to 25
Strength to Weight: Axial, points 15 to 18
5.3 to 8.2
Strength to Weight: Bending, points 16 to 18
7.9 to 11
Thermal Shock Resistance, points 12 to 15
4.5 to 6.5

Comparable Variants