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C92700 Bronze vs. C83800 Bronze

Both C92700 bronze and C83800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C92700 bronze and the bottom bar is C83800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 9.1
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 290
230
Tensile Strength: Yield (Proof), MPa 150
110

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 980
1000
Melting Onset (Solidus), °C 840
840
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 47
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 35
30
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 58
47
Embodied Water, L/kg 390
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
39
Resilience: Unit (Modulus of Resilience), kJ/m3 110
53
Stiffness to Weight: Axial, points 6.8
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.1
7.4
Strength to Weight: Bending, points 11
9.6
Thermal Diffusivity, mm2/s 15
22
Thermal Shock Resistance, points 11
8.6

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.25
Copper (Cu), % 86 to 89
82 to 83.8
Iron (Fe), % 0 to 0.2
0 to 0.3
Lead (Pb), % 1.0 to 2.5
5.0 to 7.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 9.0 to 11
3.3 to 4.2
Zinc (Zn), % 0 to 0.7
5.0 to 8.0
Residuals, % 0
0 to 0.7