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Grade 20 Cast Iron vs. EN 2.4654 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while EN 2.4654 nickel belongs to the nickel alloys. There are 27 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 2.4654 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
17
Fatigue Strength, MPa 69
460
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
77
Shear Strength, MPa 180
770
Tensile Strength: Ultimate (UTS), MPa 160
1250
Tensile Strength: Yield (Proof), MPa 98
850

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1180
1330
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 46
13
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
75
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
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
190
Resilience: Unit (Modulus of Resilience), kJ/m3 27
1810
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8
42
Strength to Weight: Bending, points 8.7
31
Thermal Diffusivity, mm2/s 13
3.3
Thermal Shock Resistance, points 6.0
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 3.1 to 3.4
0.020 to 0.1
Chromium (Cr), % 0
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 92.1 to 93.9
0 to 2.0
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0
50.6 to 62.5
Phosphorus (P), % 0 to 0.9
0 to 0.015
Silicon (Si), % 2.5 to 2.8
0 to 0.15
Sulfur (S), % 0 to 0.15
0 to 0.015
Titanium (Ti), % 0
2.8 to 3.3
Zirconium (Zr), % 0
0.020 to 0.080