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Grey Cast Iron vs. EN 1.4462 Stainless Steel

Both grey cast iron and EN 1.4462 stainless steel are iron alloys. They have 69% 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 grey cast iron and the bottom bar is EN 1.4462 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 300
240
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
26
Fatigue Strength, MPa 69 to 170
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 69
80
Shear Strength, MPa 180 to 610
500
Tensile Strength: Ultimate (UTS), MPa 160 to 450
780
Tensile Strength: Yield (Proof), MPa 98 to 290
520

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1180
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
17
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.6
Embodied Energy, MJ/kg 21
49
Embodied Water, L/kg 44
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
180
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
670
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 Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 6.0 to 17
21

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.030
Chromium (Cr), % 0
21 to 23
Iron (Fe), % 92.1 to 93.9
63.7 to 71.9
Manganese (Mn), % 0.5 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.22
Phosphorus (P), % 0 to 0.9
0 to 0.035
Silicon (Si), % 2.5 to 2.8
0 to 1.0
Sulfur (S), % 0 to 0.15
0 to 0.015