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SAE-AISI P6 Steel vs. C71520 Copper-nickel

SAE-AISI P6 steel belongs to the iron alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P6 steel and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
51
Tensile Strength: Ultimate (UTS), MPa 630 to 1930
370 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Melting Completion (Liquidus), °C 1460
1170
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 43
32
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.6
40
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.8
5.0
Embodied Energy, MJ/kg 24
73
Embodied Water, L/kg 59
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22 to 68
12 to 18
Strength to Weight: Bending, points 21 to 44
13 to 17
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 21 to 63
12 to 19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.050
Chromium (Cr), % 1.3 to 1.8
0
Copper (Cu), % 0 to 0.25
65 to 71.6
Iron (Fe), % 92.9 to 95
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.35 to 0.7
0 to 1.0
Nickel (Ni), % 3.3 to 3.8
28 to 33
Phosphorus (P), % 0 to 0.030
0 to 0.2
Silicon (Si), % 0.1 to 0.4
0
Sulfur (S), % 0 to 0.030
0 to 0.020
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5