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C27200 Brass vs. C90400 Bronze

Both C27200 brass and C90400 bronze are copper alloys. They have 67% 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 C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 10 to 50
24
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 370 to 590
310
Tensile Strength: Yield (Proof), MPa 150 to 410
180

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 920
990
Melting Onset (Solidus), °C 870
850
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 120
75
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
12
Electrical Conductivity: Equal Weight (Specific), % IACS 31
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
34
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 45
56
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
65
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
150
Stiffness to Weight: Axial, points 7.2
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 20
10
Strength to Weight: Bending, points 14 to 19
12
Thermal Diffusivity, mm2/s 37
23
Thermal Shock Resistance, points 12 to 20
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Copper (Cu), % 62 to 65
86 to 89
Iron (Fe), % 0 to 0.070
0 to 0.4
Lead (Pb), % 0 to 0.070
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 34.6 to 38
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7