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C84500 Brass vs. C87600 Bronze

Both C84500 brass and C87600 bronze 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 C84500 brass and the bottom bar is C87600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 28
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 240
470
Tensile Strength: Yield (Proof), MPa 97
230

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 150
190
Melting Completion (Liquidus), °C 980
970
Melting Onset (Solidus), °C 840
860
Specific Heat Capacity, J/kg-K 360
410
Thermal Conductivity, W/m-K 72
28
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
29
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
71
Resilience: Unit (Modulus of Resilience), kJ/m3 45
240
Stiffness to Weight: Axial, points 6.6
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.7
16
Strength to Weight: Bending, points 9.8
16
Thermal Diffusivity, mm2/s 23
8.1
Thermal Shock Resistance, points 8.6
17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 77 to 79
88 to 92.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 6.0 to 7.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.0050
3.5 to 5.5
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 10 to 14
4.0 to 7.0
Residuals, % 0
0 to 0.5