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C84200 Brass vs. C90900 Bronze

Both C84200 brass and C90900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% 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 C84200 brass and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 250
280
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 990
980
Melting Onset (Solidus), °C 840
820
Specific Heat Capacity, J/kg-K 370
360
Thermal Conductivity, W/m-K 72
65
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
36
Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 3.1
3.9
Embodied Energy, MJ/kg 51
64
Embodied Water, L/kg 350
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
35
Resilience: Unit (Modulus of Resilience), kJ/m3 72
89
Stiffness to Weight: Axial, points 6.9
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.2
8.8
Strength to Weight: Bending, points 10
11
Thermal Diffusivity, mm2/s 23
21
Thermal Shock Resistance, points 9.1
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.2
Copper (Cu), % 78 to 82
86 to 89
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 2.0 to 3.0
0 to 0.25
Nickel (Ni), % 0 to 0.8
0 to 0.5
Phosphorus (P), % 0 to 1.5
0 to 0.050
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
12 to 14
Zinc (Zn), % 10 to 16
0 to 0.25
Residuals, % 0
0 to 0.6