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C82200 Copper vs. ACI-ASTM CB7Cu-1 Steel

C82200 copper belongs to the copper alloys classification, while ACI-ASTM CB7Cu-1 steel belongs to the iron alloys. There are 27 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 C82200 copper and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0 to 20
5.7 to 11
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
76
Tensile Strength: Ultimate (UTS), MPa 390 to 660
960 to 1350
Tensile Strength: Yield (Proof), MPa 210 to 520
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1040
1500
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 180
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 46
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 74
38
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
1500 to 3590
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 20
34 to 48
Strength to Weight: Bending, points 13 to 19
28 to 35
Thermal Diffusivity, mm2/s 53
4.6
Thermal Shock Resistance, points 14 to 23
32 to 45

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15.5 to 17.7
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
2.5 to 3.2
Iron (Fe), % 0
72.3 to 78.4
Manganese (Mn), % 0
0 to 0.7
Nickel (Ni), % 1.0 to 2.0
3.6 to 4.6
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0