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Automotive Grey Cast Iron vs. C77100 Nickel Silver

Automotive grey cast iron belongs to the iron alloys classification, while C77100 nickel silver belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 69 to 70
45
Tensile Strength: Ultimate (UTS), MPa 140 to 290
600
Tensile Strength: Yield (Proof), MPa 94 to 200
540

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
180
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 Conductivity, W/m-K 41 to 43
40
Thermal Expansion, µm/m-K 12 to 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
27
Density, g/cm3 7.5 to 7.6
8.1
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
3.5
Embodied Energy, MJ/kg 21 to 24
56
Embodied Water, L/kg 44 to 51
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
1280
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 5.2 to 11
21
Strength to Weight: Bending, points 8.0 to 13
20
Thermal Diffusivity, mm2/s 11 to 12
13
Thermal Shock Resistance, points 4.2 to 8.6
19