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C66700 Brass vs. C86800 Bronze

Both C66700 brass and C86800 bronze are copper alloys. They have 85% 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 C66700 brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 58
22
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 340 to 690
570
Tensile Strength: Yield (Proof), MPa 100 to 640
260

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 140
140
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1050
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
310
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 23
20
Strength to Weight: Bending, points 13 to 21
19
Thermal Shock Resistance, points 11 to 23
18

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Copper (Cu), % 68.5 to 71.5
53.5 to 57
Iron (Fe), % 0 to 0.1
1.0 to 2.5
Lead (Pb), % 0 to 0.070
0 to 0.2
Manganese (Mn), % 0.8 to 1.5
2.5 to 4.0
Nickel (Ni), % 0
2.5 to 4.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 26.3 to 30.7
28.3 to 40.5
Residuals, % 0
0 to 1.0