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C66900 Brass vs. C90300 Bronze

Both C66900 brass and C90300 bronze are copper alloys. They have 68% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is C90300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.1 to 26
22
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 460 to 770
330
Tensile Strength: Yield (Proof), MPa 330 to 760
150

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 860
1000
Melting Onset (Solidus), °C 850
850
Specific Heat Capacity, J/kg-K 400
370
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
59
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
110
Stiffness to Weight: Axial, points 8.1
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 26
11
Strength to Weight: Bending, points 16 to 23
12
Thermal Shock Resistance, points 14 to 23
12

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 0.2
Lead (Pb), % 0 to 0.050
0 to 0.3
Manganese (Mn), % 11.5 to 12.5
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
7.5 to 9.0
Zinc (Zn), % 22.5 to 26
3.0 to 5.0
Residuals, % 0
0 to 0.6