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C21000 Brass vs. C86500 Bronze

Both C21000 brass and C86500 bronze are copper alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is C86500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
25
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 240 to 450
530
Tensile Strength: Yield (Proof), MPa 69 to 440
190

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 1070
880
Melting Onset (Solidus), °C 1050
860
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 230
86
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
22
Electrical Conductivity: Equal Weight (Specific), % IACS 57
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
180
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.4 to 14
19
Strength to Weight: Bending, points 9.6 to 15
18
Thermal Diffusivity, mm2/s 69
28
Thermal Shock Resistance, points 8.1 to 15
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.5
Copper (Cu), % 94 to 96
55 to 60
Iron (Fe), % 0 to 0.050
0.4 to 2.0
Lead (Pb), % 0 to 0.030
0 to 0.4
Manganese (Mn), % 0
0.1 to 1.5
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 3.7 to 6.0
36 to 42
Residuals, % 0
0 to 1.0