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Grade 20 Cast Iron vs. EN 2.4669 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while EN 2.4669 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 EN 2.4669 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 9.6
16
Fatigue Strength, MPa 69
390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
73
Shear Strength, MPa 180
680
Tensile Strength: Ultimate (UTS), MPa 160
1110
Tensile Strength: Yield (Proof), MPa 98
720

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1380
1380
Melting Onset (Solidus), °C 1180
1330
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 46
12
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
60
Density, g/cm3 7.5
8.4
Embodied Carbon, kg CO2/kg material 1.5
10
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 44
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
160
Resilience: Unit (Modulus of Resilience), kJ/m3 27
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8
37
Strength to Weight: Bending, points 8.7
28
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 6.0
33

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 3.1 to 3.4
0 to 0.080
Chromium (Cr), % 0
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 92.1 to 93.9
5.0 to 9.0
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Nickel (Ni), % 0
65.9 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
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 0.015
Titanium (Ti), % 0
2.3 to 2.8