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S32654 Stainless Steel vs. Grey Cast Iron

Both S32654 stainless steel and grey cast iron are iron alloys. They have 43% of their average alloy composition in common. There are 30 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 S32654 stainless steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 210
180
Elongation at Break, % 45
9.6
Fatigue Strength, MPa 450
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
69
Shear Strength, MPa 590
180 to 610
Tensile Strength: Ultimate (UTS), MPa 850
160 to 450
Tensile Strength: Yield (Proof), MPa 490
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1180
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 11
46
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.9
Density, g/cm3 8.0
7.5
Embodied Carbon, kg CO2/kg material 6.4
1.5
Embodied Energy, MJ/kg 87
21
Embodied Water, L/kg 220
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 570
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
5.8 to 17
Strength to Weight: Bending, points 25
8.7 to 17
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 19
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.020
3.1 to 3.4
Chromium (Cr), % 24 to 25
0
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
92.1 to 93.9
Manganese (Mn), % 2.0 to 4.0
0.5 to 0.7
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.9
Silicon (Si), % 0 to 0.5
2.5 to 2.8
Sulfur (S), % 0 to 0.0050
0 to 0.15