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Automotive Grey Cast Iron vs. C74000 Nickel Silver

Automotive grey cast iron belongs to the iron alloys classification, while C74000 nickel silver belongs to the copper alloys. There are 21 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 automotive grey cast iron and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 69 to 70
44
Tensile Strength: Ultimate (UTS), MPa 140 to 290
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
200
Melting Completion (Liquidus), °C 1380 to 1390
990
Melting Onset (Solidus), °C 1340 to 1350
950
Specific Heat Capacity, J/kg-K 490
390
Thermal Expansion, µm/m-K 12 to 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
42

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
30
Density, g/cm3 7.5 to 7.6
8.5
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
3.4
Embodied Energy, MJ/kg 21 to 24
54
Embodied Water, L/kg 44 to 51
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 5.2 to 11
13 to 19
Strength to Weight: Bending, points 8.0 to 13
14 to 18
Thermal Shock Resistance, points 4.2 to 8.6
13 to 19