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Grey Cast Iron vs. S24000 Stainless Steel

Both grey cast iron and S24000 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grey cast iron and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 300
210
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
39
Fatigue Strength, MPa 69 to 170
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 69
77
Shear Strength, MPa 180 to 610
530
Tensile Strength: Ultimate (UTS), MPa 160 to 450
770
Tensile Strength: Yield (Proof), MPa 98 to 290
430

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1180
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.5
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 21
39
Embodied Water, L/kg 44
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
260
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 5.8 to 17
28
Strength to Weight: Bending, points 8.7 to 17
24
Thermal Shock Resistance, points 6.0 to 17
16

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.080
Chromium (Cr), % 0
17 to 19
Iron (Fe), % 92.1 to 93.9
61.5 to 69
Manganese (Mn), % 0.5 to 0.7
11.5 to 14.5
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.9
0 to 0.060
Silicon (Si), % 2.5 to 2.8
0 to 0.75
Sulfur (S), % 0 to 0.15
0 to 0.030