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CR023A Copper vs. ACI-ASTM CE8MN Steel

CR023A copper belongs to the copper alloys classification, while ACI-ASTM CE8MN steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
29
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
80
Tensile Strength: Ultimate (UTS), MPa 220
750
Tensile Strength: Yield (Proof), MPa 130
500

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 41
58
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
190
Resilience: Unit (Modulus of Resilience), kJ/m3 76
620
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
27
Strength to Weight: Bending, points 9.0
23
Thermal Diffusivity, mm2/s 110
4.2
Thermal Shock Resistance, points 7.8
21

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
22.5 to 25.5
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
56 to 66.4
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
8.0 to 11
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0.0050 to 0.013
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.040