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C19000 Copper vs. ACI-ASTM CB7Cu-2 Steel

C19000 copper belongs to the copper alloys classification, while ACI-ASTM CB7Cu-2 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 C19000 copper and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 2.5 to 50
5.7 to 11
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 260 to 760
960 to 1350
Tensile Strength: Yield (Proof), MPa 140 to 630
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 250
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 42
38
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 110
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 89 to 1730
1510 to 3600
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.2 to 24
34 to 48
Strength to Weight: Bending, points 10 to 21
28 to 35
Thermal Diffusivity, mm2/s 73
4.6
Thermal Shock Resistance, points 9.3 to 27
32 to 45

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 96.9 to 99
2.5 to 3.2
Iron (Fe), % 0 to 0.1
73.6 to 79
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.7
Nickel (Ni), % 0.9 to 1.3
4.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0.15 to 0.35
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.5
0