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C72700 Copper-nickel vs. SAE-AISI H42 Steel

C72700 copper-nickel belongs to the copper alloys classification, while SAE-AISI H42 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 H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1100
1620
Melting Onset (Solidus), °C 930
1570
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 54
24
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 4.0
8.8
Embodied Energy, MJ/kg 62
130
Embodied Water, L/kg 350
98

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 14 to 34
23 to 65
Strength to Weight: Bending, points 15 to 26
21 to 42
Thermal Diffusivity, mm2/s 16
6.5
Thermal Shock Resistance, points 16 to 38
20 to 57

Alloy Composition

Carbon (C), % 0
0.55 to 0.7
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 82.1 to 86
0 to 0.25
Iron (Fe), % 0 to 0.5
79.3 to 83.8
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
Molybdenum (Mo), % 0
4.5 to 5.5
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
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 6.5
0
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0