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C86800 Bronze vs. C85700 Brass

Both C86800 bronze and C85700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common. There are 26 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 C86800 bronze and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 22
17
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 570
310
Tensile Strength: Yield (Proof), MPa 260
110

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
120
Melting Completion (Liquidus), °C 900
940
Melting Onset (Solidus), °C 880
910
Specific Heat Capacity, J/kg-K 400
380
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
22
Electrical Conductivity: Equal Weight (Specific), % IACS 10
25

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
41
Resilience: Unit (Modulus of Resilience), kJ/m3 310
59
Stiffness to Weight: Axial, points 7.7
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 20
11
Strength to Weight: Bending, points 19
13
Thermal Shock Resistance, points 18
10

Alloy Composition

Aluminum (Al), % 0 to 2.0
0 to 0.8
Copper (Cu), % 53.5 to 57
58 to 64
Iron (Fe), % 1.0 to 2.5
0 to 0.7
Lead (Pb), % 0 to 0.2
0.8 to 1.5
Manganese (Mn), % 2.5 to 4.0
0
Nickel (Ni), % 2.5 to 4.0
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0 to 1.0
0.5 to 1.5
Zinc (Zn), % 28.3 to 40.5
32 to 40
Residuals, % 0
0 to 1.3