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C27200 Brass vs. C94300 Bronze

Both C27200 brass and C94300 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 (2, in this case) are not shown.

For each property being compared, the top bar is C27200 brass and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 10 to 50
9.7
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 40
32
Tensile Strength: Ultimate (UTS), MPa 370 to 590
180
Tensile Strength: Yield (Proof), MPa 150 to 410
120

Thermal Properties

Latent Heat of Fusion, J/g 170
150
Maximum Temperature: Mechanical, °C 130
110
Melting Completion (Liquidus), °C 920
820
Melting Onset (Solidus), °C 870
760
Specific Heat Capacity, J/kg-K 390
320
Thermal Conductivity, W/m-K 120
63
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 31
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.1
9.3
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
15
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
77
Stiffness to Weight: Axial, points 7.2
5.2
Stiffness to Weight: Bending, points 19
16
Strength to Weight: Axial, points 13 to 20
5.2
Strength to Weight: Bending, points 14 to 19
7.4
Thermal Diffusivity, mm2/s 37
21
Thermal Shock Resistance, points 12 to 20
7.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 62 to 65
67 to 72
Iron (Fe), % 0 to 0.070
0 to 0.15
Lead (Pb), % 0 to 0.070
23 to 27
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 34.6 to 38
0 to 0.8
Residuals, % 0
0 to 1.0