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SAE-AISI 1055 Steel vs. EN 1.0420 Cast Steel

Both SAE-AISI 1055 steel and EN 1.0420 cast 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 (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1055 steel and the bottom bar is EN 1.0420 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
28
Fatigue Strength, MPa 260 to 390
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 730 to 750
460
Tensile Strength: Yield (Proof), MPa 400 to 630
220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
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 11
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 85
110
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1070
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 23 to 24
14

Alloy Composition

Carbon (C), % 0.5 to 0.6
0
Iron (Fe), % 98.4 to 98.9
99.935 to 100
Manganese (Mn), % 0.6 to 0.9
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Sulfur (S), % 0 to 0.050
0 to 0.030