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C66900 Brass vs. C90900 Bronze

Both C66900 brass and C90900 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.1 to 26
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 460 to 770
280
Tensile Strength: Yield (Proof), MPa 330 to 760
140

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 860
980
Melting Onset (Solidus), °C 850
820
Specific Heat Capacity, J/kg-K 400
360
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
36
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 46
64
Embodied Water, L/kg 310
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
35
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
89
Stiffness to Weight: Axial, points 8.1
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 26
8.8
Strength to Weight: Bending, points 16 to 23
11
Thermal Shock Resistance, points 14 to 23
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 62.5 to 64.5
86 to 89
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 0 to 0.050
0 to 0.25
Manganese (Mn), % 11.5 to 12.5
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 22.5 to 26
0 to 0.25
Residuals, % 0
0 to 0.6