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C38500 Bronze vs. C87500 Brass

Both C38500 bronze and C87500 brass are copper alloys. They have 72% 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 C38500 bronze and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
18
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 37
42
Tensile Strength: Ultimate (UTS), MPa 370
460
Tensile Strength: Yield (Proof), MPa 130
190

Thermal Properties

Latent Heat of Fusion, J/g 160
260
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 890
920
Melting Onset (Solidus), °C 880
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 31
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 22
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
67
Resilience: Unit (Modulus of Resilience), kJ/m3 78
160
Stiffness to Weight: Axial, points 7.0
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
16
Strength to Weight: Bending, points 14
16
Thermal Diffusivity, mm2/s 40
8.3
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 55 to 59
79 to 85
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 2.5 to 3.5
0 to 0.5
Silicon (Si), % 0
3.0 to 5.0
Zinc (Zn), % 36.7 to 42.5
12 to 16
Residuals, % 0
0 to 0.5