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C86700 Bronze vs. C66900 Brass

Both C86700 bronze and C66900 brass are copper alloys. They have 84% 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 C86700 bronze and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
1.1 to 26
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 630
460 to 770
Tensile Strength: Yield (Proof), MPa 250
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 880
860
Melting Onset (Solidus), °C 860
850
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 19
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 290
460 to 2450
Stiffness to Weight: Axial, points 7.5
8.1
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 22
15 to 26
Strength to Weight: Bending, points 21
16 to 23
Thermal Shock Resistance, points 21
14 to 23

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Copper (Cu), % 55 to 60
62.5 to 64.5
Iron (Fe), % 1.0 to 3.0
0 to 0.25
Lead (Pb), % 0.5 to 1.5
0 to 0.050
Manganese (Mn), % 1.0 to 3.5
11.5 to 12.5
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
22.5 to 26
Residuals, % 0
0 to 0.2