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C86200 Bronze vs. C68100 Brass

Both C86200 bronze and C68100 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% 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 C86200 bronze and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 21
29
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 710
380
Tensile Strength: Yield (Proof), MPa 350
140

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 940
890
Melting Onset (Solidus), °C 900
870
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 35
98
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
27

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
86
Resilience: Unit (Modulus of Resilience), kJ/m3 540
94
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 25
13
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 11
32
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 3.0 to 4.9
0 to 0.010
Copper (Cu), % 60 to 66
56 to 60
Iron (Fe), % 2.0 to 4.0
0.25 to 1.3
Lead (Pb), % 0 to 0.2
0 to 0.050
Manganese (Mn), % 2.5 to 5.0
0.010 to 0.5
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0
0.040 to 0.15
Tin (Sn), % 0 to 0.2
0.75 to 1.1
Zinc (Zn), % 22 to 28
36.4 to 43
Residuals, % 0
0 to 0.5