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CR007A Copper vs. C18700 Copper

Both CR007A copper and C18700 copper are copper alloys. They have a very high 99% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CR007A copper and the bottom bar is C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
9.0 to 9.6
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 230
290 to 330
Tensile Strength: Yield (Proof), MPa 140
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1080
Melting Onset (Solidus), °C 1040
950
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 380
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
98
Electrical Conductivity: Equal Weight (Specific), % IACS 100
99

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 9.0
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 83
240 to 280
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.1
9.0 to 10
Strength to Weight: Bending, points 9.3
11 to 12
Thermal Diffusivity, mm2/s 110
110
Thermal Shock Resistance, points 8.1
10 to 12

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Copper (Cu), % 99.994 to 100
98 to 99.2
Iron (Fe), % 0 to 0.0010
0
Lead (Pb), % 0 to 0.00050
0.8 to 1.5
Selenium (Se), % 0 to 0.00020
0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Residuals, % 0
0 to 0.5