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CR022A Copper vs. SAE-AISI P20 Steel

CR022A copper belongs to the copper alloys classification, while SAE-AISI P20 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 CR022A copper and the bottom bar is SAE-AISI P20 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 43
73
Tensile Strength: Ultimate (UTS), MPa 230
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
45
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.8
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 41
21
Embodied Water, L/kg 310
52

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
19 to 37
Strength to Weight: Bending, points 9.3
19 to 29
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 8.1
18 to 35

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
0.28 to 0.4
Chromium (Cr), % 0
0.4 to 2.0
Copper (Cu), % 99.99 to 99.999
0 to 0.25
Iron (Fe), % 0 to 0.0010
95.2 to 98.5
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0.35 to 0.71
Molybdenum (Mo), % 0
0.3 to 0.55
Nickel (Ni), % 0 to 0.0010
0
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.030
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0.2 to 0.8
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.030
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0