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Automotive Malleable Cast Iron vs. EN 2.4642 Nickel

Automotive malleable cast iron belongs to the iron alloys classification, while EN 2.4642 nickel belongs to the nickel alloys. There are 27 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 automotive malleable cast iron and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 1.0 to 10
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 70
78
Tensile Strength: Ultimate (UTS), MPa 350 to 720
670
Tensile Strength: Yield (Proof), MPa 220 to 590
270

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1410
1360
Melting Onset (Solidus), °C 1370
1320
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
12
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
50
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 1.5
8.2
Embodied Energy, MJ/kg 20
120
Embodied Water, L/kg 45
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
180
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 13 to 26
23
Strength to Weight: Bending, points 14 to 24
21
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 9.9 to 21
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 2.2 to 2.9
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 93.6 to 96.7
7.0 to 11
Manganese (Mn), % 0.15 to 1.3
0 to 0.5
Nickel (Ni), % 0
55.9 to 66
Phosphorus (P), % 0.020 to 0.15
0 to 0.020
Silicon (Si), % 0.9 to 1.9
0 to 0.5
Sulfur (S), % 0.020 to 0.2
0 to 0.015