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Austenitic Nodular Cast Iron vs. S21460 Stainless Steel

Both austenitic nodular cast iron and S21460 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 S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 240
250
Elastic (Young's, Tensile) Modulus, GPa 180 to 190
200
Elongation at Break, % 6.8 to 34
46
Poisson's Ratio 0.29 to 0.3
0.28
Shear Modulus, GPa 70 to 72
77
Tensile Strength: Ultimate (UTS), MPa 430 to 500
830
Tensile Strength: Yield (Proof), MPa 190 to 240
430

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
290
Melting Completion (Liquidus), °C 1340 to 1400
1380
Melting Onset (Solidus), °C 1300 to 1360
1330
Specific Heat Capacity, J/kg-K 470 to 490
480
Thermal Expansion, µm/m-K 13 to 14
18

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
14
Density, g/cm3 7.7 to 8.0
7.6
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
3.0
Embodied Energy, MJ/kg 48 to 68
43
Embodied Water, L/kg 91 to 120
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
320
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 15 to 18
30
Strength to Weight: Bending, points 16 to 18
26
Thermal Shock Resistance, points 12 to 15
17