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C86700 Bronze vs. C23000 Brass

Both C86700 bronze and C23000 brass are copper alloys. They have 73% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C86700 bronze and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
2.9 to 47
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 630
280 to 590
Tensile Strength: Yield (Proof), MPa 250
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 880
1030
Melting Onset (Solidus), °C 860
990
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 89
160
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
37
Electrical Conductivity: Equal Weight (Specific), % IACS 19
39

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 49
43
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 290
31 to 1040
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
8.9 to 19
Strength to Weight: Bending, points 21
11 to 18
Thermal Diffusivity, mm2/s 28
48
Thermal Shock Resistance, points 21
9.4 to 20

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Copper (Cu), % 55 to 60
84 to 86
Iron (Fe), % 1.0 to 3.0
0 to 0.050
Lead (Pb), % 0.5 to 1.5
0 to 0.050
Manganese (Mn), % 1.0 to 3.5
0
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
13.7 to 16
Residuals, % 0
0 to 0.2