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C86700 Bronze vs. C43500 Brass

Both C86700 bronze and C43500 brass are copper alloys. They have 76% 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 C86700 bronze and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
8.5 to 46
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 630
320 to 530
Tensile Strength: Yield (Proof), MPa 250
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 880
1000
Melting Onset (Solidus), °C 860
970
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
28
Electrical Conductivity: Equal Weight (Specific), % IACS 19
30

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
45
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
65 to 1040
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
10 to 17
Strength to Weight: Bending, points 21
12 to 17
Thermal Diffusivity, mm2/s 28
37
Thermal Shock Resistance, points 21
11 to 18

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Copper (Cu), % 55 to 60
79 to 83
Iron (Fe), % 1.0 to 3.0
0 to 0.050
Lead (Pb), % 0.5 to 1.5
0 to 0.090
Manganese (Mn), % 1.0 to 3.5
0
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 1.5
0.6 to 1.2
Zinc (Zn), % 30 to 38
15.4 to 20.4
Residuals, % 0
0 to 0.3