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C72700 Copper-nickel vs. AISI W1 Steel

C72700 copper-nickel belongs to the copper alloys classification, while AISI W1 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is AISI W1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
72
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
590 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1100
1450
Melting Onset (Solidus), °C 930
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 54
48
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.2
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.6
Embodied Energy, MJ/kg 62
21
Embodied Water, L/kg 350
47

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14 to 34
21 to 83
Strength to Weight: Bending, points 15 to 26
20 to 50
Thermal Diffusivity, mm2/s 16
13
Thermal Shock Resistance, points 16 to 38
22 to 85

Alloy Composition

Carbon (C), % 0
0.7 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 82.1 to 86
0 to 0.2
Iron (Fe), % 0 to 0.5
96.4 to 98.9
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0.35 to 0.73
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 8.5 to 9.5
0 to 0.2
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.1 to 0.4
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 5.5 to 6.5
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0