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Austenitic Grey Cast Iron vs. C72700 Copper-nickel

Austenitic grey cast iron belongs to the iron alloys classification, while C72700 copper-nickel belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
120
Poisson's Ratio 0.29 to 0.3
0.34
Shear Modulus, GPa 69 to 72
44
Tensile Strength: Ultimate (UTS), MPa 150 to 230
460 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
210
Melting Completion (Liquidus), °C 1340 to 1400
1100
Melting Onset (Solidus), °C 1290 to 1350
930
Specific Heat Capacity, J/kg-K 470 to 490
380
Thermal Expansion, µm/m-K 13 to 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
36
Density, g/cm3 7.7 to 8.1
8.8
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
4.0
Embodied Energy, MJ/kg 43 to 65
62
Embodied Water, L/kg 93 to 120
350

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 23 to 25
19
Strength to Weight: Axial, points 5.3 to 8.2
14 to 34
Strength to Weight: Bending, points 7.9 to 11
15 to 26
Thermal Shock Resistance, points 4.5 to 6.5
16 to 38