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Grade 20 Cast Iron vs. N06650 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while N06650 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 N06650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Elongation at Break, % 9.6
50
Fatigue Strength, MPa 69
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
82
Shear Strength, MPa 180
640
Tensile Strength: Ultimate (UTS), MPa 160
900
Tensile Strength: Yield (Proof), MPa 98
460

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1500
Melting Onset (Solidus), °C 1180
1450
Specific Heat Capacity, J/kg-K 490
440
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
60
Density, g/cm3 7.5
8.6
Embodied Carbon, kg CO2/kg material 1.5
10
Embodied Energy, MJ/kg 21
140
Embodied Water, L/kg 44
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
380
Resilience: Unit (Modulus of Resilience), kJ/m3 27
490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8
29
Strength to Weight: Bending, points 8.7
24
Thermal Shock Resistance, points 6.0
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 3.1 to 3.4
0 to 0.030
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 92.1 to 93.9
12 to 16
Manganese (Mn), % 0.5 to 0.7
0 to 0.5
Molybdenum (Mo), % 0
9.5 to 12.5
Nickel (Ni), % 0
44.4 to 58.9
Niobium (Nb), % 0
0.050 to 0.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.9
0 to 0.020
Silicon (Si), % 2.5 to 2.8
0 to 0.5
Sulfur (S), % 0 to 0.15
0 to 0.010
Tungsten (W), % 0
0.5 to 2.5