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SAE-AISI H12 Steel vs. Austenitic Nodular Cast Iron

Both SAE-AISI H12 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180 to 190
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 75
70 to 72
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
430 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
280 to 350
Melting Completion (Liquidus), °C 1480
1340 to 1400
Melting Onset (Solidus), °C 1440
1300 to 1360
Specific Heat Capacity, J/kg-K 470
470 to 490
Thermal Expansion, µm/m-K 12
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
16 to 25
Density, g/cm3 7.9
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 2.9
3.5 to 4.9
Embodied Energy, MJ/kg 41
48 to 68
Embodied Water, L/kg 76
91 to 120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24 to 25
Strength to Weight: Axial, points 24 to 65
15 to 18
Strength to Weight: Bending, points 22 to 42
16 to 18
Thermal Shock Resistance, points 22 to 60
12 to 15