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C27400 Brass vs. C61900 Bronze

Both C27400 brass and C61900 bronze are copper alloys. They have 63% of their average alloy composition in common. There are 24 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 C61900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 370 to 650
570 to 650

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 920
1050
Melting Onset (Solidus), °C 870
1040
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
79
Thermal Expansion, µm/m-K 21
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
380

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13 to 23
19 to 22
Strength to Weight: Bending, points 14 to 21
18 to 20
Thermal Diffusivity, mm2/s 37
22
Thermal Shock Resistance, points 12 to 22
20 to 23

Alloy Composition

Aluminum (Al), % 0
8.5 to 10
Copper (Cu), % 61 to 64
83.6 to 88.5
Iron (Fe), % 0 to 0.1
3.0 to 4.5
Lead (Pb), % 0 to 0.050
0 to 0.020
Tin (Sn), % 0
0 to 0.6
Zinc (Zn), % 35.6 to 39
0 to 0.8
Residuals, % 0
0 to 0.5