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C92300 Bronze vs. C83300 Brass

Both C92300 bronze and C83300 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 93% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C92300 bronze and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 19
35
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 300
220
Tensile Strength: Yield (Proof), MPa 140
69

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1000
1060
Melting Onset (Solidus), °C 850
1030
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 75
160
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
32
Electrical Conductivity: Equal Weight (Specific), % IACS 12
33

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 56
44
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47
60
Resilience: Unit (Modulus of Resilience), kJ/m3 86
21
Stiffness to Weight: Axial, points 6.9
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.5
6.9
Strength to Weight: Bending, points 11
9.2
Thermal Diffusivity, mm2/s 23
48
Thermal Shock Resistance, points 11
7.9

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 85 to 89
92 to 94
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0.3 to 1.0
1.0 to 2.0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 7.5 to 9.0
1.0 to 2.0
Zinc (Zn), % 2.5 to 5.0
2.0 to 6.0
Residuals, % 0
0 to 0.7