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C27000 Brass vs. C67300 Bronze

Both C27000 brass and C67300 bronze are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 53 to 91
91
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 370 to 650
500

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 930
870
Melting Onset (Solidus), °C 900
830
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
95
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
22
Electrical Conductivity: Equal Weight (Specific), % IACS 30
25

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13 to 22
17
Strength to Weight: Bending, points 14 to 21
17
Thermal Diffusivity, mm2/s 37
30
Thermal Shock Resistance, points 12 to 22
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Copper (Cu), % 63 to 68.5
58 to 63
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.070
0.4 to 3.0
Manganese (Mn), % 0
2.0 to 3.5
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 31 to 37
27.2 to 39.1
Residuals, % 0
0 to 0.5