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C68400 Brass vs. C92500 Bronze

Both C68400 brass and C92500 bronze are copper alloys. They have 63% 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 C68400 brass and the bottom bar is C92500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
11
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 540
310
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 840
980
Melting Onset (Solidus), °C 820
870
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 66
63
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
12
Electrical Conductivity: Equal Weight (Specific), % IACS 99
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
35
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 47
61
Embodied Water, L/kg 320
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
30
Resilience: Unit (Modulus of Resilience), kJ/m3 460
170
Stiffness to Weight: Axial, points 7.5
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
9.8
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 21
20
Thermal Shock Resistance, points 18
12

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
85 to 88
Iron (Fe), % 0 to 1.0
0 to 0.3
Lead (Pb), % 0 to 0.090
1.0 to 1.5
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0.8 to 1.5
Phosphorus (P), % 0.030 to 0.3
0 to 1.5
Silicon (Si), % 1.5 to 2.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.5
10 to 12
Zinc (Zn), % 28.6 to 39.3
0 to 0.5
Residuals, % 0
0 to 0.7