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Austenitic Nodular Cast Iron vs. S38815 Stainless Steel

Both austenitic nodular cast iron and S38815 stainless steel are iron alloys. There are 24 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 S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 240
190
Elastic (Young's, Tensile) Modulus, GPa 180 to 190
190
Elongation at Break, % 6.8 to 34
34
Poisson's Ratio 0.29 to 0.3
0.29
Shear Modulus, GPa 70 to 72
74
Tensile Strength: Ultimate (UTS), MPa 430 to 500
610
Tensile Strength: Yield (Proof), MPa 190 to 240
290

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
370
Melting Completion (Liquidus), °C 1340 to 1400
1360
Melting Onset (Solidus), °C 1300 to 1360
1310
Specific Heat Capacity, J/kg-K 470 to 490
500
Thermal Expansion, µm/m-K 13 to 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
19
Density, g/cm3 7.7 to 8.0
7.5
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
3.8
Embodied Energy, MJ/kg 48 to 68
54
Embodied Water, L/kg 91 to 120
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 15 to 18
22
Strength to Weight: Bending, points 16 to 18
21
Thermal Shock Resistance, points 12 to 15
15