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C71500 Copper-nickel vs. Automotive Grey Cast Iron

C71500 copper-nickel belongs to the copper alloys classification, while automotive grey cast iron belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
69 to 70
Tensile Strength: Ultimate (UTS), MPa 380 to 620
140 to 290

Thermal Properties

Latent Heat of Fusion, J/g 230
260 to 280
Melting Completion (Liquidus), °C 1240
1380 to 1390
Melting Onset (Solidus), °C 1170
1340 to 1350
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 28
41 to 43
Thermal Expansion, µm/m-K 16
12 to 14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
8.8 to 9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 41
1.9 to 3.0
Density, g/cm3 8.9
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 5.1
1.5 to 1.7
Embodied Energy, MJ/kg 74
21 to 24
Embodied Water, L/kg 280
44 to 51

Common Calculations

Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 19
5.2 to 11
Strength to Weight: Bending, points 13 to 18
8.0 to 13
Thermal Diffusivity, mm2/s 7.7
11 to 12
Thermal Shock Resistance, points 12 to 20
4.2 to 8.6