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C68400 Brass vs. C93200 Bronze

Both C68400 brass and C93200 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 (6, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C93200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
20
Poisson's Ratio 0.31
0.35
Shear Modulus, GPa 41
38
Tensile Strength: Ultimate (UTS), MPa 540
240
Tensile Strength: Yield (Proof), MPa 310
130

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 840
980
Melting Onset (Solidus), °C 820
850
Specific Heat Capacity, J/kg-K 400
360
Thermal Conductivity, W/m-K 66
59
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
32
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
40
Resilience: Unit (Modulus of Resilience), kJ/m3 460
76
Stiffness to Weight: Axial, points 7.5
6.5
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
7.5
Strength to Weight: Bending, points 19
9.7
Thermal Diffusivity, mm2/s 21
18
Thermal Shock Resistance, points 18
9.3

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
81 to 85
Iron (Fe), % 0 to 1.0
0 to 0.2
Lead (Pb), % 0 to 0.090
6.0 to 8.0
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 0.080
Tin (Sn), % 0 to 0.5
6.3 to 7.5
Zinc (Zn), % 28.6 to 39.3
2.0 to 4.0
Residuals, % 0 to 0.5
0 to 1.0