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SAE-AISI M2 Steel vs. Austenitic Nodular Cast Iron

Both SAE-AISI M2 steel and austenitic nodular cast iron 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 SAE-AISI M2 steel and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180 to 190
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 77
70 to 72
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
430 to 500

Thermal Properties

Latent Heat of Fusion, J/g 260
280 to 350
Melting Completion (Liquidus), °C 1610
1340 to 1400
Melting Onset (Solidus), °C 1570
1300 to 1360
Specific Heat Capacity, J/kg-K 440
470 to 490
Thermal Expansion, µm/m-K 10
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
16 to 25
Density, g/cm3 8.4
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 8.8
3.5 to 4.9
Embodied Energy, MJ/kg 130
48 to 68
Embodied Water, L/kg 98
91 to 120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24 to 25
Strength to Weight: Axial, points 25 to 71
15 to 18
Strength to Weight: Bending, points 22 to 44
16 to 18
Thermal Shock Resistance, points 27 to 76
12 to 15