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EN 1.8527 Steel vs. Ductile Cast Iron

Both EN 1.8527 steel and ductile cast iron are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 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 EN 1.8527 steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 190
170 to 180
Elongation at Break, % 16
2.1 to 20
Poisson's Ratio 0.29
0.28 to 0.31
Shear Modulus, GPa 74
64 to 70
Shear Strength, MPa 550
420 to 800
Tensile Strength: Ultimate (UTS), MPa 900
460 to 920
Tensile Strength: Yield (Proof), MPa 800
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 490
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 41
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 9.0
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
1.9
Density, g/cm3 7.8
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 66
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
280 to 1330
Stiffness to Weight: Axial, points 14
12 to 14
Stiffness to Weight: Bending, points 24
24 to 26
Strength to Weight: Axial, points 32
17 to 35
Strength to Weight: Bending, points 26
18 to 29
Thermal Diffusivity, mm2/s 11
8.9 to 10
Thermal Shock Resistance, points 26
17 to 35

Alloy Composition

Carbon (C), % 0.040 to 0.12
3.0 to 3.5
Chromium (Cr), % 3.7 to 4.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.2 to 95.1
93.7 to 95.5
Manganese (Mn), % 0.85 to 1.2
0
Molybdenum (Mo), % 0.4 to 0.6
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