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Austenitic Nodular Cast Iron vs. SAE-AISI 5140 Steel

Both austenitic nodular cast iron and SAE-AISI 5140 steel are iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 240
170 to 290
Elastic (Young's, Tensile) Modulus, GPa 180 to 190
190
Elongation at Break, % 6.8 to 34
12 to 29
Poisson's Ratio 0.29 to 0.3
0.29
Shear Modulus, GPa 70 to 72
73
Tensile Strength: Ultimate (UTS), MPa 430 to 500
560 to 970
Tensile Strength: Yield (Proof), MPa 190 to 240
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
250
Melting Completion (Liquidus), °C 1340 to 1400
1460
Melting Onset (Solidus), °C 1300 to 1360
1420
Specific Heat Capacity, J/kg-K 470 to 490
470
Thermal Expansion, µm/m-K 13 to 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
2.1
Density, g/cm3 7.7 to 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
1.4
Embodied Energy, MJ/kg 48 to 68
19
Embodied Water, L/kg 91 to 120
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
220 to 1880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24 to 25
24
Strength to Weight: Axial, points 15 to 18
20 to 34
Strength to Weight: Bending, points 16 to 18
19 to 28
Thermal Shock Resistance, points 12 to 15
16 to 29