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C92700 Bronze vs. C94300 Bronze

Both C92700 bronze and C94300 bronze 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. 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 C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 9.1
9.7
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 40
32
Tensile Strength: Ultimate (UTS), MPa 290
180
Tensile Strength: Yield (Proof), MPa 150
120

Thermal Properties

Latent Heat of Fusion, J/g 190
150
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 980
820
Melting Onset (Solidus), °C 840
760
Specific Heat Capacity, J/kg-K 370
320
Thermal Conductivity, W/m-K 47
63
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 35
28
Density, g/cm3 8.7
9.3
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 58
47
Embodied Water, L/kg 390
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
15
Resilience: Unit (Modulus of Resilience), kJ/m3 110
77
Stiffness to Weight: Axial, points 6.8
5.2
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 9.1
5.2
Strength to Weight: Bending, points 11
7.4
Thermal Diffusivity, mm2/s 15
21
Thermal Shock Resistance, points 11
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.8
Copper (Cu), % 86 to 89
67 to 72
Iron (Fe), % 0 to 0.2
0 to 0.15
Lead (Pb), % 1.0 to 2.5
23 to 27
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
4.5 to 6.0
Zinc (Zn), % 0 to 0.7
0 to 0.8
Residuals, % 0
0 to 1.0