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CR018A Copper vs. SAE-AISI A3 Steel

CR018A copper belongs to the copper alloys classification, while SAE-AISI A3 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 CR018A copper and the bottom bar is SAE-AISI A3 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 220
700 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
37
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
6.0
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.4
Embodied Energy, MJ/kg 42
67
Embodied Water, L/kg 360
78

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
25 to 77
Strength to Weight: Bending, points 9.0
23 to 48
Thermal Diffusivity, mm2/s 110
10
Thermal Shock Resistance, points 7.8
23 to 70

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 99.914 to 99.94
0 to 0.25
Iron (Fe), % 0
88.7 to 92
Manganese (Mn), % 0
0.4 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4