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Austenitic Nodular Cast Iron vs. S21600 Stainless Steel

Both austenitic nodular cast iron and S21600 stainless 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 S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 240
200
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
79
Tensile Strength: Ultimate (UTS), MPa 430 to 500
710
Tensile Strength: Yield (Proof), MPa 190 to 240
390

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
290
Melting Completion (Liquidus), °C 1340 to 1400
1420
Melting Onset (Solidus), °C 1300 to 1360
1380
Specific Heat Capacity, J/kg-K 470 to 490
480
Thermal Expansion, µm/m-K 13 to 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
17
Density, g/cm3 7.7 to 8.0
7.7
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
3.6
Embodied Energy, MJ/kg 48 to 68
50
Embodied Water, L/kg 91 to 120
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
270
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 15 to 18
25
Strength to Weight: Bending, points 16 to 18
23
Thermal Shock Resistance, points 12 to 15
15