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Grey Cast Iron vs. Grade CU5MCuC Nickel

Grey cast iron belongs to the iron alloys classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grey cast iron and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 9.6
22
Fatigue Strength, MPa 69 to 170
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 69
77
Tensile Strength: Ultimate (UTS), MPa 160 to 450
580
Tensile Strength: Yield (Proof), MPa 98 to 290
270

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1180
1370
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
45
Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 1.5
7.7
Embodied Energy, MJ/kg 21
110
Embodied Water, L/kg 44
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
110
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 5.8 to 17
20
Strength to Weight: Bending, points 8.7 to 17
19
Thermal Shock Resistance, points 6.0 to 17
16

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 92.1 to 93.9
22.2 to 37.9
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Phosphorus (P), % 0 to 0.9
0 to 0.030
Silicon (Si), % 2.5 to 2.8
0 to 1.0
Sulfur (S), % 0 to 0.15
0 to 0.030