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CR012A Copper vs. C18900 Copper

Both CR012A copper and C18900 copper are copper alloys. They have a very high 98% 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 CR012A copper and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
14 to 48
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 220
260 to 500
Tensile Strength: Yield (Proof), MPa 130
67 to 390

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
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
130
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
30
Electrical Conductivity: Equal Weight (Specific), % IACS 100
30

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 76
20 to 660
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
8.2 to 16
Strength to Weight: Bending, points 9.0
10 to 16
Thermal Diffusivity, mm2/s 110
38
Thermal Shock Resistance, points 7.8
9.3 to 18

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
97.7 to 99.15
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0
0.1 to 0.3
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0.15 to 0.4
Silver (Ag), % 0.060 to 0.080
0
Tin (Sn), % 0
0.6 to 0.9
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5