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EN 1.1131 Cast Steel vs. EN 1.8818 Steel

Both EN 1.1131 cast steel and EN 1.8818 steel are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.1131 cast steel and the bottom bar is EN 1.8818 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
27
Fatigue Strength, MPa 200
200
Impact Strength: V-Notched Charpy, J 78
48
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 530
440
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
48
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 47
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0.15 to 0.2
0 to 0.15
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 97.6 to 98.9
95.9 to 99.985
Manganese (Mn), % 1.0 to 1.6
0 to 1.6
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.35
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.1