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ACI-ASTM CB7Cu-2 Steel vs. C82200 Copper

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while C82200 copper belongs to the copper alloys. There are 27 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 ACI-ASTM CB7Cu-2 steel and the bottom bar is C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 5.7 to 11
8.0 to 20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
44
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
390 to 660
Tensile Strength: Yield (Proof), MPa 760 to 1180
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1380
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
180
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
46

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
180 to 1130
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 34 to 48
12 to 20
Strength to Weight: Bending, points 28 to 35
13 to 19
Thermal Diffusivity, mm2/s 4.6
53
Thermal Shock Resistance, points 32 to 45
14 to 23

Alloy Composition

Beryllium (Be), % 0
0.35 to 0.8
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 14 to 15.5
0
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 2.5 to 3.2
97.4 to 98.7
Iron (Fe), % 73.6 to 79
0
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 4.5 to 5.5
1.0 to 2.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5