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C87500 Brass vs. C51000 Bronze

Both C87500 brass and C51000 bronze are copper alloys. They have 82% 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 C87500 brass and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
2.7 to 64
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 460
330 to 780
Tensile Strength: Yield (Proof), MPa 190
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 920
1050
Melting Onset (Solidus), °C 820
960
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 28
77
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
18
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
18

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 44
50
Embodied Water, L/kg 300
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
7.0 to 490
Resilience: Unit (Modulus of Resilience), kJ/m3 160
75 to 2490
Stiffness to Weight: Axial, points 7.4
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
10 to 25
Strength to Weight: Bending, points 16
12 to 21
Thermal Diffusivity, mm2/s 8.3
23
Thermal Shock Resistance, points 17
12 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 79 to 85
92.9 to 95.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.5
0 to 0.050
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 3.0 to 5.0
0
Tin (Sn), % 0
4.5 to 5.8
Zinc (Zn), % 12 to 16
0 to 0.3
Residuals, % 0
0 to 0.5