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C83400 Brass vs. C92700 Bronze

Both C83400 brass and C92700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% 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 C83400 brass and the bottom bar is C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 30
9.1
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 240
290
Tensile Strength: Yield (Proof), MPa 69
150

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1040
980
Melting Onset (Solidus), °C 1020
840
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 190
47
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
11
Electrical Conductivity: Equal Weight (Specific), % IACS 46
11

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 43
58
Embodied Water, L/kg 320
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
22
Resilience: Unit (Modulus of Resilience), kJ/m3 21
110
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 7.7
9.1
Strength to Weight: Bending, points 9.9
11
Thermal Diffusivity, mm2/s 57
15
Thermal Shock Resistance, points 8.4
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.25
Copper (Cu), % 88 to 92
86 to 89
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0 to 0.5
1.0 to 2.5
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.050
Tin (Sn), % 0 to 0.2
9.0 to 11
Zinc (Zn), % 8.0 to 12
0 to 0.7
Residuals, % 0
0 to 0.7