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SAE-AISI 5120 Steel vs. EN 1.1118 Cast Steel

Both SAE-AISI 5120 steel and EN 1.1118 cast steel are iron alloys. Their average alloy composition is basically identical. 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 SAE-AISI 5120 steel and the bottom bar is EN 1.1118 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
14 to 21
Fatigue Strength, MPa 210
320 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 500
700 to 750
Tensile Strength: Yield (Proof), MPa 320
460 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 47
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 49
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
97 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
550 to 1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
25 to 27
Strength to Weight: Bending, points 18
22 to 23
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
22 to 24

Alloy Composition

Carbon (C), % 0.17 to 0.22
0.2 to 0.25
Chromium (Cr), % 0.7 to 0.9
0
Iron (Fe), % 97.6 to 98.3
97.3 to 98.3
Manganese (Mn), % 0.7 to 0.9
1.5 to 1.8
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.015