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C87500 Brass vs. C90200 Bronze

Both C87500 brass and C90200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% 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 C87500 brass and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
30
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 460
260
Tensile Strength: Yield (Proof), MPa 190
110

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 920
1050
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 410
370
Thermal Conductivity, W/m-K 28
62
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
13
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
34
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 300
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
63
Resilience: Unit (Modulus of Resilience), kJ/m3 160
55
Stiffness to Weight: Axial, points 7.4
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
8.3
Strength to Weight: Bending, points 16
10
Thermal Diffusivity, mm2/s 8.3
19
Thermal Shock Resistance, points 17
9.5

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 79 to 85
91 to 94
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.5
0 to 0.3
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 3.0 to 5.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 12 to 16
0 to 0.5
Residuals, % 0
0 to 0.6