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Austenitic Nodular Cast Iron vs. SAE-AISI D7 Steel

Both austenitic nodular cast iron and SAE-AISI D7 steel are iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is austenitic nodular cast iron and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
190
Poisson's Ratio 0.29 to 0.3
0.28
Shear Modulus, GPa 70 to 72
73
Tensile Strength: Ultimate (UTS), MPa 430 to 500
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
270
Melting Completion (Liquidus), °C 1340 to 1400
1440
Melting Onset (Solidus), °C 1300 to 1360
1400
Specific Heat Capacity, J/kg-K 470 to 490
480
Thermal Expansion, µm/m-K 13 to 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
10
Density, g/cm3 7.7 to 8.0
7.6
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
11
Embodied Energy, MJ/kg 48 to 68
180
Embodied Water, L/kg 91 to 120
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 15 to 18
29 to 78
Strength to Weight: Bending, points 16 to 18
25 to 48
Thermal Shock Resistance, points 12 to 15
27 to 72