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C90400 Bronze vs. C92700 Bronze

Both C90400 bronze and C92700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 97% of their average alloy composition in common. There are 28 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 C90400 bronze and the bottom bar is C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 24
9.1
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 310
290
Tensile Strength: Yield (Proof), MPa 180
150

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 990
980
Melting Onset (Solidus), °C 850
840
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 75
47
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
11
Electrical Conductivity: Equal Weight (Specific), % IACS 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
35
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 3.5
3.6
Embodied Energy, MJ/kg 56
58
Embodied Water, L/kg 370
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
22
Resilience: Unit (Modulus of Resilience), kJ/m3 150
110
Stiffness to Weight: Axial, points 7.0
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 10
9.1
Strength to Weight: Bending, points 12
11
Thermal Diffusivity, mm2/s 23
15
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.020
0 to 0.25
Boron (B), % 0 to 0.1
0
Copper (Cu), % 86 to 89
86 to 89
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 0 to 0.090
1.0 to 2.5
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0.1 to 0.65
0 to 0.050
Tin (Sn), % 7.5 to 8.5
9.0 to 11
Zinc (Zn), % 1.0 to 5.0
0 to 0.7
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0
0 to 0.7