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EN 1.8522 Steel vs. Ductile Cast Iron

Both EN 1.8522 steel and ductile cast iron are iron alloys. They have a very high 95% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8522 steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 380
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 190
170 to 180
Poisson's Ratio 0.29
0.28 to 0.31
Shear Modulus, GPa 74
64 to 70
Tensile Strength: Ultimate (UTS), MPa 730 to 1250
460 to 920

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 470
290
Melting Completion (Liquidus), °C 1460
1160
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 39
31 to 36
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
1.9
Density, g/cm3 7.8
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 31
21
Embodied Water, L/kg 63
43

Common Calculations

Stiffness to Weight: Axial, points 13
12 to 14
Stiffness to Weight: Bending, points 24
24 to 26
Strength to Weight: Axial, points 26 to 44
17 to 35
Strength to Weight: Bending, points 23 to 33
18 to 29
Thermal Diffusivity, mm2/s 11
8.9 to 10
Thermal Shock Resistance, points 21 to 36
17 to 35

Alloy Composition

Carbon (C), % 0.29 to 0.36
3.0 to 3.5
Chromium (Cr), % 2.8 to 3.3
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 93.7 to 96
93.7 to 95.5
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.025
0 to 0.080
Silicon (Si), % 0 to 0.4
1.5 to 2.8
Sulfur (S), % 0 to 0.035
0
Vanadium (V), % 0.15 to 0.25
0

Comparable Variants