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C72700 Copper-nickel vs. SAE-AISI T6 Steel

C72700 copper-nickel belongs to the copper alloys classification, while SAE-AISI T6 steel belongs to the iron 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 C72700 copper-nickel and the bottom bar is SAE-AISI T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
81
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
880 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1100
1830
Melting Onset (Solidus), °C 930
1770
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 54
18
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 8.8
9.5
Embodied Carbon, kg CO2/kg material 4.0
11
Embodied Energy, MJ/kg 62
170
Embodied Water, L/kg 350
160

Common Calculations

Stiffness to Weight: Axial, points 7.4
12
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 14 to 34
26 to 63
Strength to Weight: Bending, points 15 to 26
21 to 39
Thermal Diffusivity, mm2/s 16
4.7
Thermal Shock Resistance, points 16 to 38
26 to 64

Alloy Composition

Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
4.0 to 4.8
Cobalt (Co), % 0
11 to 13
Copper (Cu), % 82.1 to 86
0 to 0.25
Iron (Fe), % 0 to 0.5
55.9 to 63.5
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 8.5 to 9.5
0 to 0.3
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 6.5
0
Tungsten (W), % 0
18.5 to 21
Vanadium (V), % 0
1.5 to 2.1
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0