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Grade 20 Cast Iron vs. N07776 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while N07776 nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 20 cast iron and the bottom bar is N07776 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
39
Fatigue Strength, MPa 69
220
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 69
79
Shear Strength, MPa 180
470
Tensile Strength: Ultimate (UTS), MPa 160
700
Tensile Strength: Yield (Proof), MPa 98
270

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1550
Melting Onset (Solidus), °C 1180
1500
Specific Heat Capacity, J/kg-K 490
430
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
85
Density, g/cm3 7.5
8.6
Embodied Carbon, kg CO2/kg material 1.5
15
Embodied Energy, MJ/kg 21
210
Embodied Water, L/kg 44
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
220
Resilience: Unit (Modulus of Resilience), kJ/m3 27
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8
22
Strength to Weight: Bending, points 8.7
20
Thermal Shock Resistance, points 6.0
20

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Carbon (C), % 3.1 to 3.4
0 to 0.030
Chromium (Cr), % 0
12 to 22
Iron (Fe), % 92.1 to 93.9
0 to 24.5
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
9.0 to 15
Nickel (Ni), % 0
50 to 60
Niobium (Nb), % 0
4.0 to 6.0
Phosphorus (P), % 0 to 0.9
0 to 0.030
Silicon (Si), % 2.5 to 2.8
0 to 0.5
Sulfur (S), % 0 to 0.15
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 0
0.5 to 2.5