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C69710 Brass vs. C86100 Bronze

Both C69710 brass and C86100 bronze are copper alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C86100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
20
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 470
660
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
940
Melting Onset (Solidus), °C 880
900
Specific Heat Capacity, J/kg-K 400
420
Thermal Conductivity, W/m-K 40
35
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
530
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 0
4.5 to 5.5
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
66 to 68
Iron (Fe), % 0 to 0.2
2.0 to 4.0
Lead (Pb), % 0.5 to 1.5
0 to 0.1
Manganese (Mn), % 0 to 0.4
2.5 to 5.0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 13.8 to 22
17.3 to 25
Residuals, % 0 to 0.5
0