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C84200 Brass vs. C92800 Bronze

Both C84200 brass and C92800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 90% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C84200 brass and the bottom bar is C92800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 15
1.0
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 250
280
Tensile Strength: Yield (Proof), MPa 120
210

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 150
140
Melting Completion (Liquidus), °C 990
960
Melting Onset (Solidus), °C 840
820
Specific Heat Capacity, J/kg-K 370
350
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
36
Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 3.1
4.1
Embodied Energy, MJ/kg 51
67
Embodied Water, L/kg 350
430

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 72
210
Stiffness to Weight: Axial, points 6.9
6.4
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.2
8.8
Strength to Weight: Bending, points 10
11
Thermal Shock Resistance, points 9.1
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), % 78 to 82
78 to 82
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 2.0 to 3.0
4.0 to 6.0
Nickel (Ni), % 0 to 0.8
0 to 0.8
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.050
Tin (Sn), % 4.0 to 6.0
15 to 17
Zinc (Zn), % 10 to 16
0 to 0.8
Residuals, % 0
0 to 0.7