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C83600 Ounce Metal vs. C97600 Dairy Metal

Both C83600 ounce metal and C97600 dairy metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is C83600 ounce metal and the bottom bar is C97600 dairy metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 21
11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
46
Tensile Strength: Ultimate (UTS), MPa 250
310
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 1010
1140
Melting Onset (Solidus), °C 850
1110
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 72
22
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 15
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
37
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 3.1
4.6
Embodied Energy, MJ/kg 50
69
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
29
Resilience: Unit (Modulus of Resilience), kJ/m3 70
85
Stiffness to Weight: Axial, points 6.7
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.9
9.8
Strength to Weight: Bending, points 10
12
Thermal Diffusivity, mm2/s 22
6.5
Thermal Shock Resistance, points 9.3
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.25
Copper (Cu), % 84 to 86
63 to 67
Iron (Fe), % 0 to 0.3
0 to 1.5
Lead (Pb), % 4.0 to 6.0
3.0 to 5.0
Nickel (Ni), % 0 to 1.0
19 to 21.5
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.0 to 6.0
3.5 to 4.0
Zinc (Zn), % 4.0 to 6.0
3.0 to 9.0
Residuals, % 0
0 to 0.3