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C68400 Brass vs. C92300 Bronze

Both C68400 brass and C92300 bronze are copper alloys. They have 66% 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 C92300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
19
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 540
300
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 840
1000
Melting Onset (Solidus), °C 820
850
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 66
75
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
33
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 47
56
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
47
Resilience: Unit (Modulus of Resilience), kJ/m3 460
86
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
9.5
Strength to Weight: Bending, points 19
11
Thermal Diffusivity, mm2/s 21
23
Thermal Shock Resistance, points 18
11

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 89
Iron (Fe), % 0 to 1.0
0 to 0.25
Lead (Pb), % 0 to 0.090
0.3 to 1.0
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0 to 1.0
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
7.5 to 9.0
Zinc (Zn), % 28.6 to 39.3
2.5 to 5.0
Residuals, % 0
0 to 0.7