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C27200 Brass vs. C90900 Bronze

Both C27200 brass and C90900 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C27200 brass and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 10 to 50
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 590
280
Tensile Strength: Yield (Proof), MPa 150 to 410
140

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 920
980
Melting Onset (Solidus), °C 870
820
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 120
65
Thermal Expansion, µm/m-K 20
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 24
36
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 45
64
Embodied Water, L/kg 320
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
35
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
89
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 20
8.8
Strength to Weight: Bending, points 14 to 19
11
Thermal Diffusivity, mm2/s 37
21
Thermal Shock Resistance, points 12 to 20
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 62 to 65
86 to 89
Iron (Fe), % 0 to 0.070
0 to 0.15
Lead (Pb), % 0 to 0.070
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 34.6 to 38
0 to 0.25
Residuals, % 0
0 to 0.6