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Ductile Cast Iron vs. N08221 Nickel

Ductile cast iron belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
200
Elongation at Break, % 2.1 to 20
34
Poisson's Ratio 0.28 to 0.31
0.28
Shear Modulus, GPa 64 to 70
79
Shear Strength, MPa 420 to 800
410
Tensile Strength: Ultimate (UTS), MPa 460 to 920
610
Tensile Strength: Yield (Proof), MPa 310 to 670
270

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 290
980
Melting Completion (Liquidus), °C 1160
1440
Melting Onset (Solidus), °C 1120
1390
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
44
Density, g/cm3 7.1 to 7.5
8.3
Embodied Carbon, kg CO2/kg material 1.5
7.9
Embodied Energy, MJ/kg 21
110
Embodied Water, L/kg 43
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
170
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
170
Stiffness to Weight: Axial, points 12 to 14
14
Stiffness to Weight: Bending, points 24 to 26
24
Strength to Weight: Axial, points 17 to 35
21
Strength to Weight: Bending, points 18 to 29
19
Thermal Shock Resistance, points 17 to 35
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 3.0 to 3.5
0 to 0.025
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 93.7 to 95.5
22 to 33.9
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.5
Nickel (Ni), % 0
39 to 46
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0 to 0.050
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0