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EN 1.6579 Steel vs. EN 1.0420 Cast Steel

Both EN 1.6579 steel and EN 1.0420 cast steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 30 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 1.6579 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 380 to 570
170
Impact Strength: V-Notched Charpy, J 35 to 41
31
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 850 to 980
460
Tensile Strength: Yield (Proof), MPa 600 to 910
220

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
1.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 22
18
Embodied Water, L/kg 56
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 950 to 2210
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 30 to 35
16
Strength to Weight: Bending, points 25 to 28
17
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 25 to 29
14

Alloy Composition

Carbon (C), % 0.32 to 0.38
0
Chromium (Cr), % 1.4 to 1.7
0
Iron (Fe), % 94.2 to 96.1
99.935 to 100
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.35
0
Nickel (Ni), % 1.4 to 1.7
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.030