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C91100 Bronze vs. C90900 Bronze

Both C91100 bronze and C90900 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 C91100 bronze and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 2.0
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 240
280
Tensile Strength: Yield (Proof), MPa 170
140

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 950
980
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 360
360
Thermal Conductivity, W/m-K 63
65
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 38
36
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 4.2
3.9
Embodied Energy, MJ/kg 69
64
Embodied Water, L/kg 440
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
35
Resilience: Unit (Modulus of Resilience), kJ/m3 140
89
Stiffness to Weight: Axial, points 6.7
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.7
8.8
Strength to Weight: Bending, points 9.9
11
Thermal Diffusivity, mm2/s 20
21
Thermal Shock Resistance, points 9.1
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.2
Copper (Cu), % 82 to 85
86 to 89
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 0 to 0.25
0 to 0.25
Nickel (Ni), % 0 to 0.5
0 to 0.5
Phosphorus (P), % 0 to 1.0
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 15 to 17
12 to 14
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.6