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Grade 20 Cast Iron vs. N06455 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while N06455 nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 20 cast iron and the bottom bar is N06455 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Elongation at Break, % 9.6
47
Fatigue Strength, MPa 69
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
82
Shear Strength, MPa 180
550
Tensile Strength: Ultimate (UTS), MPa 160
780
Tensile Strength: Yield (Proof), MPa 98
330

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1510
Melting Onset (Solidus), °C 1180
1450
Specific Heat Capacity, J/kg-K 490
430
Thermal Conductivity, W/m-K 46
10
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
65
Density, g/cm3 7.5
8.8
Embodied Carbon, kg CO2/kg material 1.5
12
Embodied Energy, MJ/kg 21
160
Embodied Water, L/kg 44
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
300
Resilience: Unit (Modulus of Resilience), kJ/m3 27
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8
24
Strength to Weight: Bending, points 8.7
21
Thermal Diffusivity, mm2/s 13
2.7
Thermal Shock Resistance, points 6.0
24

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.015
Chromium (Cr), % 0
14 to 18
Cobalt (Co), % 0
0 to 2.0
Iron (Fe), % 92.1 to 93.9
0 to 3.0
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
14 to 17
Nickel (Ni), % 0
58.1 to 72
Phosphorus (P), % 0 to 0.9
0 to 0.040
Silicon (Si), % 2.5 to 2.8
0 to 0.080
Sulfur (S), % 0 to 0.15
0 to 0.030
Titanium (Ti), % 0
0 to 0.7