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EN 1.1118 Cast Steel vs. EN 1.7711 Steel

Both EN 1.1118 cast steel and EN 1.7711 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 21
16 to 22
Fatigue Strength, MPa 320 to 400
290 to 520
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 700 to 750
690 to 930
Tensile Strength: Yield (Proof), MPa 460 to 630
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
430
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
33
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 19
32
Embodied Water, L/kg 48
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 130
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 1050
430 to 1690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 27
24 to 33
Strength to Weight: Bending, points 22 to 23
22 to 27
Thermal Diffusivity, mm2/s 14
8.9
Thermal Shock Resistance, points 22 to 24
24 to 32

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.2 to 0.25
0.36 to 0.44
Chromium (Cr), % 0
0.9 to 1.2
Iron (Fe), % 97.3 to 98.3
96 to 97.5
Manganese (Mn), % 1.5 to 1.8
0.45 to 0.85
Molybdenum (Mo), % 0
0.5 to 0.65
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35