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C86200 Bronze vs. C95700 Bronze

Both C86200 bronze and C95700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is C86200 bronze and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 21
23
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
47
Tensile Strength: Ultimate (UTS), MPa 710
680
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 940
990
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 35
12
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.9
3.3
Embodied Energy, MJ/kg 49
54
Embodied Water, L/kg 340
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 540
390
Stiffness to Weight: Axial, points 7.8
8.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 23
21

Alloy Composition

Aluminum (Al), % 3.0 to 4.9
7.0 to 8.5
Copper (Cu), % 60 to 66
71 to 78.5
Iron (Fe), % 2.0 to 4.0
2.0 to 4.0
Lead (Pb), % 0 to 0.2
0 to 0.030
Manganese (Mn), % 2.5 to 5.0
11 to 14
Nickel (Ni), % 0 to 1.0
1.5 to 3.0
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
0
Residuals, % 0
0 to 0.5