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EN 1.1118 Cast Steel vs. EN 1.1121 Steel

Both EN 1.1118 cast steel and EN 1.1121 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 29 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 1.1118 cast steel and the bottom bar is EN 1.1121 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 21
28
Fatigue Strength, MPa 320 to 400
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 700 to 750
400
Tensile Strength: Yield (Proof), MPa 460 to 630
210

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 51
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 130
93
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 1050
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 27
14
Strength to Weight: Bending, points 22 to 23
15
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 22 to 24
13

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.070 to 0.13
Iron (Fe), % 97.3 to 98.3
98.8 to 99.63
Manganese (Mn), % 1.5 to 1.8
0.3 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035