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CR018A Copper vs. CR006A Copper

Both CR018A copper and CR006A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CR018A copper and the bottom bar is CR006A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 220
230
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 9.0
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 42
41
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
31
Resilience: Unit (Modulus of Resilience), kJ/m3 76
83
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
7.1
Strength to Weight: Bending, points 9.0
9.3
Thermal Diffusivity, mm2/s 110
110
Thermal Shock Resistance, points 7.8
8.1

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.914 to 99.94
99.9 to 100
Oxygen (O), % 0
0 to 0.1
Silver (Ag), % 0.060 to 0.080
0 to 0.015