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C86300 Bronze vs. C21000 Brass

Both C86300 bronze and C21000 brass are copper alloys. They have 68% of their average alloy composition in common. There are 28 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 C86300 bronze and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14
2.9 to 50
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 850
240 to 450
Tensile Strength: Yield (Proof), MPa 480
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 200
200
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 920
1070
Melting Onset (Solidus), °C 890
1050
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 35
230
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
56
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
57

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 51
42
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
21 to 830
Stiffness to Weight: Axial, points 7.8
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 30
7.4 to 14
Strength to Weight: Bending, points 25
9.6 to 15
Thermal Diffusivity, mm2/s 11
69
Thermal Shock Resistance, points 28
8.1 to 15

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
0
Copper (Cu), % 60 to 66
94 to 96
Iron (Fe), % 2.0 to 4.0
0 to 0.050
Lead (Pb), % 0 to 0.2
0 to 0.030
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
3.7 to 6.0
Residuals, % 0 to 1.0
0 to 0.2