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C87800 Brass vs. C38500 Bronze

Both C87800 brass and C38500 bronze are copper alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C87800 brass and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
37
Tensile Strength: Ultimate (UTS), MPa 590
370
Tensile Strength: Yield (Proof), MPa 350
130

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
48
Resilience: Unit (Modulus of Resilience), kJ/m3 540
78
Stiffness to Weight: Axial, points 7.4
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
13
Strength to Weight: Bending, points 19
14
Thermal Diffusivity, mm2/s 8.3
40
Thermal Shock Resistance, points 21
12

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
55 to 59
Iron (Fe), % 0 to 0.15
0 to 0.35
Lead (Pb), % 0 to 0.15
2.5 to 3.5
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
36.7 to 42.5
Residuals, % 0
0 to 0.5