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C72700 Copper-nickel vs. SAE-AISI T4 Steel

C72700 copper-nickel belongs to the copper alloys classification, while SAE-AISI T4 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 T4 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
80
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1100
1810
Melting Onset (Solidus), °C 930
1750
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 54
21
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
55
Density, g/cm3 8.8
9.4
Embodied Carbon, kg CO2/kg material 4.0
8.5
Embodied Energy, MJ/kg 62
130
Embodied Water, L/kg 350
120

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
24 to 64
Strength to Weight: Bending, points 15 to 26
20 to 39
Thermal Diffusivity, mm2/s 16
5.4
Thermal Shock Resistance, points 16 to 38
24 to 64

Alloy Composition

Carbon (C), % 0
0.7 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 82.1 to 86
0 to 0.25
Iron (Fe), % 0 to 0.5
66.3 to 72.3
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0.1 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
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0