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C92500 Bronze vs. C84800 Brass

Both C92500 bronze and C84800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is C92500 bronze and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 11
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 310
230
Tensile Strength: Yield (Proof), MPa 190
100

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 980
950
Melting Onset (Solidus), °C 870
830
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 63
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
16
Electrical Conductivity: Equal Weight (Specific), % IACS 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 35
27
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 61
46
Embodied Water, L/kg 390
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
34
Resilience: Unit (Modulus of Resilience), kJ/m3 170
53
Stiffness to Weight: Axial, points 6.8
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.8
7.3
Strength to Weight: Bending, points 12
9.6
Thermal Diffusivity, mm2/s 20
23
Thermal Shock Resistance, points 12
8.2

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.25
Copper (Cu), % 85 to 88
75 to 77
Iron (Fe), % 0 to 0.3
0 to 0.4
Lead (Pb), % 1.0 to 1.5
5.5 to 7.0
Nickel (Ni), % 0.8 to 1.5
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 10 to 12
2.0 to 3.0
Zinc (Zn), % 0 to 0.5
13 to 17
Residuals, % 0
0 to 0.7