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Grey Cast Iron vs. EN 1.4507 Stainless Steel

Both grey cast iron and EN 1.4507 stainless steel are iron alloys. They have 62% 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 1.4507 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 300
230
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
25
Fatigue Strength, MPa 69 to 170
410
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 69
80
Shear Strength, MPa 180 to 610
530
Tensile Strength: Ultimate (UTS), MPa 160 to 450
840
Tensile Strength: Yield (Proof), MPa 98 to 290
590

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1180
1390
Specific Heat Capacity, J/kg-K 490
470
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
21
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.0
Embodied Energy, MJ/kg 21
55
Embodied Water, L/kg 44
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
190
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
850
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 5.8 to 17
30
Strength to Weight: Bending, points 8.7 to 17
25
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 6.0 to 17
23

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 92.1 to 93.9
56.4 to 65.8
Manganese (Mn), % 0.5 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.9
0 to 0.035
Silicon (Si), % 2.5 to 2.8
0 to 0.7
Sulfur (S), % 0 to 0.15
0 to 0.015