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EN 1.0558 Cast Steel vs. SAE-AISI 8620 Steel

Both EN 1.0558 cast steel and SAE-AISI 8620 steel are iron alloys. They have a very high 97% 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 1.0558 cast steel and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
13 to 31
Fatigue Strength, MPa 230
270 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 640
520 to 690
Tensile Strength: Yield (Proof), MPa 340
360 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 45
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 300
340 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
18 to 24
Strength to Weight: Bending, points 21
18 to 22
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 20
15 to 20

Alloy Composition

Carbon (C), % 0
0.18 to 0.23
Chromium (Cr), % 0
0.4 to 0.6
Iron (Fe), % 99.935 to 100
96.9 to 98
Manganese (Mn), % 0
0.7 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040