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Grade 20 Cast Iron vs. N06002 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while N06002 nickel belongs to the nickel alloys. There are 29 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 grade 20 cast iron and the bottom bar is N06002 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Elongation at Break, % 9.6
41
Fatigue Strength, MPa 69
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 69
81
Shear Strength, MPa 180
520
Tensile Strength: Ultimate (UTS), MPa 160
760
Tensile Strength: Yield (Proof), MPa 98
310

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1360
Melting Onset (Solidus), °C 1180
1260
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 46
9.9
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
55
Density, g/cm3 7.5
8.5
Embodied Carbon, kg CO2/kg material 1.5
9.3
Embodied Energy, MJ/kg 21
130
Embodied Water, L/kg 44
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
250
Resilience: Unit (Modulus of Resilience), kJ/m3 27
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8
25
Strength to Weight: Bending, points 8.7
22
Thermal Diffusivity, mm2/s 13
2.6
Thermal Shock Resistance, points 6.0
19

Alloy Composition

Carbon (C), % 3.1 to 3.4
0.050 to 0.15
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Iron (Fe), % 92.1 to 93.9
17 to 20
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
42.3 to 54
Phosphorus (P), % 0 to 0.9
0 to 0.040
Silicon (Si), % 2.5 to 2.8
0 to 1.0
Sulfur (S), % 0 to 0.15
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0