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C62500 Bronze vs. C87800 Brass

Both C62500 bronze and C87800 brass are copper alloys. They have 82% of their average alloy composition in common. There are 29 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 C62500 bronze and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 1.0
25
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 29
86
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 690
590
Tensile Strength: Yield (Proof), MPa 410
350

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1050
920
Melting Onset (Solidus), °C 1050
820
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 47
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 55
44
Embodied Water, L/kg 410
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0
130
Resilience: Unit (Modulus of Resilience), kJ/m3 750
540
Stiffness to Weight: Axial, points 7.8
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 13
8.3
Thermal Shock Resistance, points 24
21

Alloy Composition

Aluminum (Al), % 12.5 to 13.5
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 78.5 to 84
80 to 84.2
Iron (Fe), % 3.5 to 5.5
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0 to 0.15
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5