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C72700 Copper-nickel vs. SAE-AISI S6 Steel

C72700 copper-nickel belongs to the copper alloys classification, while SAE-AISI S6 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is SAE-AISI S6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
72
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
670 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Melting Completion (Liquidus), °C 1100
1430
Melting Onset (Solidus), °C 930
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 54
41
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.2
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.3
Embodied Energy, MJ/kg 62
33
Embodied Water, L/kg 350
56

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14 to 34
24 to 70
Strength to Weight: Bending, points 15 to 26
22 to 45
Thermal Diffusivity, mm2/s 16
11
Thermal Shock Resistance, points 16 to 38
22 to 64

Alloy Composition

Carbon (C), % 0
0.4 to 0.5
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 82.1 to 86
0 to 0.25
Iron (Fe), % 0 to 0.5
92.8 to 94.7
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
1.2 to 1.5
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 8.5 to 9.5
0
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
2.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 6.5
0
Vanadium (V), % 0
0.2 to 0.4
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0