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SAE-AISI P20 Steel vs. C96300 Copper-nickel

SAE-AISI P20 steel belongs to the iron alloys classification, while C96300 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 P20 steel and the bottom bar is C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
49
Tensile Strength: Ultimate (UTS), MPa 540 to 1050
580

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1460
1200
Melting Onset (Solidus), °C 1420
1150
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 45
37
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
42
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.6
5.1
Embodied Energy, MJ/kg 21
76
Embodied Water, L/kg 52
290

Common Calculations

Stiffness to Weight: Axial, points 13
8.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19 to 37
18
Strength to Weight: Bending, points 19 to 29
17
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 18 to 35
20

Alloy Composition

Carbon (C), % 0.28 to 0.4
0 to 0.15
Chromium (Cr), % 0.4 to 2.0
0
Copper (Cu), % 0 to 0.25
72.3 to 80.8
Iron (Fe), % 95.2 to 98.5
0.5 to 1.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0.35 to 0.71
0.25 to 1.5
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0
18 to 22
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Residuals, % 0
0 to 0.5