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C72700 Copper-nickel vs. SAE-AISI D5 Steel

C72700 copper-nickel belongs to the copper alloys classification, while SAE-AISI D5 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 4.0 to 36
5.4 to 14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
75
Shear Strength, MPa 310 to 620
470 to 1180
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 210
270
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
27
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
4.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 4.0
3.5
Embodied Energy, MJ/kg 62
51
Embodied Water, L/kg 350
120

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14 to 34
28 to 73
Strength to Weight: Bending, points 15 to 26
24 to 46
Thermal Diffusivity, mm2/s 16
7.4
Thermal Shock Resistance, points 16 to 38
26 to 67

Alloy Composition

Carbon (C), % 0
1.4 to 1.6
Chromium (Cr), % 0
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
Copper (Cu), % 82.1 to 86
0 to 0.25
Iron (Fe), % 0 to 0.5
77.9 to 84.4
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
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 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 6.5
0
Vanadium (V), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0