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EN 1.3558 Steel vs. Grey Cast Iron

Both EN 1.3558 steel and grey cast iron are iron alloys. They have 77% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 210
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
69
Tensile Strength: Ultimate (UTS), MPa 770
160 to 450

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1810
1380
Melting Onset (Solidus), °C 1760
1180
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 20
46
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 45
1.9
Density, g/cm3 9.3
7.5
Embodied Carbon, kg CO2/kg material 8.4
1.5
Embodied Energy, MJ/kg 130
21
Embodied Water, L/kg 90
44

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
5.8 to 17
Strength to Weight: Bending, points 20
8.7 to 17
Thermal Diffusivity, mm2/s 5.3
13
Thermal Shock Resistance, points 22
6.0 to 17

Alloy Composition

Carbon (C), % 0.7 to 0.8
3.1 to 3.4
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
92.1 to 93.9
Manganese (Mn), % 0 to 0.4
0.5 to 0.7
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.9
Silicon (Si), % 0 to 0.4
2.5 to 2.8
Sulfur (S), % 0 to 0.015
0 to 0.15
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0