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Grey Cast Iron vs. N08810 Stainless Steel

Both grey cast iron and N08810 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 29 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 grey cast iron and the bottom bar is N08810 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
33
Fatigue Strength, MPa 69 to 170
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 69
77
Shear Strength, MPa 180 to 610
340
Tensile Strength: Ultimate (UTS), MPa 160 to 450
520
Tensile Strength: Yield (Proof), MPa 98 to 290
200

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1180
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 46
12
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
30
Density, g/cm3 7.5
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.3
Embodied Energy, MJ/kg 21
76
Embodied Water, L/kg 44
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
140
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 5.8 to 17
18
Strength to Weight: Bending, points 8.7 to 17
18
Thermal Diffusivity, mm2/s 13
3.0
Thermal Shock Resistance, points 6.0 to 17
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 3.1 to 3.4
0.050 to 0.1
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 92.1 to 93.9
39.5 to 50.7
Manganese (Mn), % 0.5 to 0.7
0 to 1.5
Nickel (Ni), % 0
30 to 35
Phosphorus (P), % 0 to 0.9
0 to 0.045
Silicon (Si), % 2.5 to 2.8
0 to 1.0
Sulfur (S), % 0 to 0.15
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6