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CR023A Copper vs. SAE-AISI S4 Steel

CR023A copper belongs to the copper alloys classification, while SAE-AISI S4 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is SAE-AISI S4 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
72
Tensile Strength: Ultimate (UTS), MPa 220
670 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.2
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 41
29
Embodied Water, L/kg 320
48

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
24 to 77
Strength to Weight: Bending, points 9.0
22 to 48
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 7.8
20 to 65

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.5 to 0.65
Chromium (Cr), % 0
0.1 to 0.5
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
95.2 to 96.9
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.6 to 1.0
Phosphorus (P), % 0.0050 to 0.013
0 to 0.030
Silicon (Si), % 0
1.8 to 2.3
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.15 to 0.35