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Grade 20 Cast Iron vs. N06975 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while N06975 nickel belongs to the nickel alloys. 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 grade 20 cast iron and the bottom bar is N06975 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
45
Fatigue Strength, MPa 69
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 69
80
Shear Strength, MPa 180
470
Tensile Strength: Ultimate (UTS), MPa 160
660
Tensile Strength: Yield (Proof), MPa 98
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1180
1380
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
50
Density, g/cm3 7.5
8.3
Embodied Carbon, kg CO2/kg material 1.5
8.9
Embodied Energy, MJ/kg 21
120
Embodied Water, L/kg 44
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
240
Resilience: Unit (Modulus of Resilience), kJ/m3 27
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 5.8
22
Strength to Weight: Bending, points 8.7
20
Thermal Shock Resistance, points 6.0
18

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.030
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 0
0.7 to 1.2
Iron (Fe), % 92.1 to 93.9
10.2 to 23.6
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0
47 to 52
Phosphorus (P), % 0 to 0.9
0 to 0.030
Silicon (Si), % 2.5 to 2.8
0 to 1.0
Sulfur (S), % 0 to 0.15
0 to 0.030
Titanium (Ti), % 0
0.7 to 1.5