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C86800 Bronze vs. C97600 Dairy Metal

Both C86800 bronze and C97600 dairy metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common. 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 C86800 bronze 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, % 22
11
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 570
310
Tensile Strength: Yield (Proof), MPa 260
140

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 900
1140
Melting Onset (Solidus), °C 880
1110
Specific Heat Capacity, J/kg-K 400
380
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
37
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.0
4.6
Embodied Energy, MJ/kg 51
69
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
29
Resilience: Unit (Modulus of Resilience), kJ/m3 310
85
Stiffness to Weight: Axial, points 7.7
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
9.8
Strength to Weight: Bending, points 19
12
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0 to 2.0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 53.5 to 57
63 to 67
Iron (Fe), % 1.0 to 2.5
0 to 1.5
Lead (Pb), % 0 to 0.2
3.0 to 5.0
Manganese (Mn), % 2.5 to 4.0
0
Nickel (Ni), % 2.5 to 4.0
19 to 21.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 1.0
3.5 to 4.0
Zinc (Zn), % 28.3 to 40.5
3.0 to 9.0
Residuals, % 0
0 to 0.3