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C27400 Brass vs. C62500 Bronze

Both C27400 brass and C62500 bronze are copper alloys. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C27400 brass and the bottom bar is C62500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 53 to 91
29
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 370 to 650
690

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 120
230
Melting Completion (Liquidus), °C 920
1050
Melting Onset (Solidus), °C 870
1050
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 120
47
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
10
Electrical Conductivity: Equal Weight (Specific), % IACS 31
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 45
55
Embodied Water, L/kg 320
410

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13 to 23
24
Strength to Weight: Bending, points 14 to 21
22
Thermal Diffusivity, mm2/s 37
13
Thermal Shock Resistance, points 12 to 22
24

Alloy Composition

Aluminum (Al), % 0
12.5 to 13.5
Copper (Cu), % 61 to 64
78.5 to 84
Iron (Fe), % 0 to 0.1
3.5 to 5.5
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 2.0
Zinc (Zn), % 35.6 to 39
0
Residuals, % 0
0 to 0.5