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Grade 20 Cast Iron vs. EN 2.4856 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while EN 2.4856 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 2.4856 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
28
Fatigue Strength, MPa 69
280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
79
Shear Strength, MPa 180
570
Tensile Strength: Ultimate (UTS), MPa 160
880
Tensile Strength: Yield (Proof), MPa 98
430

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1180
1430
Specific Heat Capacity, J/kg-K 490
440
Thermal Conductivity, W/m-K 46
10
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
80
Density, g/cm3 7.5
8.6
Embodied Carbon, kg CO2/kg material 1.5
14
Embodied Energy, MJ/kg 21
190
Embodied Water, L/kg 44
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
200
Resilience: Unit (Modulus of Resilience), kJ/m3 27
440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8
28
Strength to Weight: Bending, points 8.7
24
Thermal Diffusivity, mm2/s 13
2.7
Thermal Shock Resistance, points 6.0
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 3.1 to 3.4
0.030 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 92.1 to 93.9
0 to 5.0
Manganese (Mn), % 0.5 to 0.7
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
58 to 68.8
Niobium (Nb), % 0
3.2 to 4.2
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
0 to 0.4