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C71500 Copper-nickel vs. Austempered Cast Iron

C71500 copper-nickel belongs to the copper alloys classification, while austempered cast iron belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is austempered 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
62 to 69
Tensile Strength: Ultimate (UTS), MPa 380 to 620
860 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 230
280
Melting Completion (Liquidus), °C 1240
1380
Melting Onset (Solidus), °C 1170
1340
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 28
42
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 41
2.9
Density, g/cm3 8.9
7.5
Embodied Carbon, kg CO2/kg material 5.1
1.8
Embodied Energy, MJ/kg 74
25
Embodied Water, L/kg 280
48

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
32 to 66
Strength to Weight: Bending, points 13 to 18
27 to 44
Thermal Diffusivity, mm2/s 7.7
11
Thermal Shock Resistance, points 12 to 20
25 to 53

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0
3.4 to 3.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 63.5 to 70.6
0 to 0.8
Iron (Fe), % 0.4 to 1.0
89.6 to 94
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0 to 1.0
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 29 to 33
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0
2.3 to 2.7
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0