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Austenitic Nodular Cast Iron vs. S31277 Stainless Steel

Both austenitic nodular cast iron and S31277 stainless steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is austenitic nodular cast iron and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
210
Elongation at Break, % 6.8 to 34
45
Poisson's Ratio 0.29 to 0.3
0.28
Shear Modulus, GPa 70 to 72
80
Tensile Strength: Ultimate (UTS), MPa 430 to 500
860
Tensile Strength: Yield (Proof), MPa 190 to 240
410

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
310
Melting Completion (Liquidus), °C 1340 to 1400
1460
Melting Onset (Solidus), °C 1300 to 1360
1410
Specific Heat Capacity, J/kg-K 470 to 490
460
Thermal Expansion, µm/m-K 13 to 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
36
Density, g/cm3 7.7 to 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
6.7
Embodied Energy, MJ/kg 48 to 68
90
Embodied Water, L/kg 91 to 120
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
320
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24 to 25
24
Strength to Weight: Axial, points 15 to 18
29
Strength to Weight: Bending, points 16 to 18
25
Thermal Shock Resistance, points 12 to 15
19