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CR015A Copper vs. C97600 Dairy Metal

Both CR015A copper and C97600 dairy metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is CR015A copper and the bottom bar is C97600 dairy metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
46
Tensile Strength: Ultimate (UTS), MPa 220
310
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1090
1140
Melting Onset (Solidus), °C 1040
1110
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 390
22
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
37
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.7
4.6
Embodied Energy, MJ/kg 42
69
Embodied Water, L/kg 360
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
29
Resilience: Unit (Modulus of Resilience), kJ/m3 76
85
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
9.8
Strength to Weight: Bending, points 9.0
12
Thermal Diffusivity, mm2/s 110
6.5
Thermal Shock Resistance, points 7.8
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.883 to 99.939
63 to 67
Iron (Fe), % 0
0 to 1.5
Lead (Pb), % 0
3.0 to 5.0
Nickel (Ni), % 0
19 to 21.5
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
3.5 to 4.0
Zinc (Zn), % 0
3.0 to 9.0
Residuals, % 0
0 to 0.3