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C72700 Copper-nickel vs. SAE-AISI H23 Steel

C72700 copper-nickel belongs to the copper alloys classification, while SAE-AISI H23 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 H23 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
80
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1100
1680
Melting Onset (Solidus), °C 930
1630
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 54
20
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
34
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 4.0
6.9
Embodied Energy, MJ/kg 62
110
Embodied Water, L/kg 350
120

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 14 to 34
24 to 49
Strength to Weight: Bending, points 15 to 26
21 to 34
Thermal Diffusivity, mm2/s 16
5.2
Thermal Shock Resistance, points 16 to 38
23 to 47

Alloy Composition

Carbon (C), % 0
0.25 to 0.35
Chromium (Cr), % 0
11 to 12.8
Copper (Cu), % 82.1 to 86
0 to 0.25
Iron (Fe), % 0 to 0.5
71.3 to 76.7
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0.15 to 0.4
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
0.15 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 6.5
0
Tungsten (W), % 0
11 to 12.8
Vanadium (V), % 0
0.75 to 1.3
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0