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Grey Cast Iron vs. EN 1.4513 Stainless Steel

Both grey cast iron and EN 1.4513 stainless steel are iron alloys. They have 81% 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 EN 1.4513 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
26
Fatigue Strength, MPa 69 to 170
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 69
77
Shear Strength, MPa 180 to 610
310
Tensile Strength: Ultimate (UTS), MPa 160 to 450
480
Tensile Strength: Yield (Proof), MPa 98 to 290
240

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1180
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 46
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
10
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.5
Embodied Energy, MJ/kg 21
35
Embodied Water, L/kg 44
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
100
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 5.8 to 17
17
Strength to Weight: Bending, points 8.7 to 17
18
Thermal Diffusivity, mm2/s 13
6.8
Thermal Shock Resistance, points 6.0 to 17
17

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.025
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 92.1 to 93.9
77.7 to 83.1
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.4
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.9
0 to 0.040
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 0.8