MakeItFrom.com
Menu (ESC)

C87500 Brass vs. C87200 Bronze

Both C87500 brass and C87200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% 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 C87200 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
43
Tensile Strength: Ultimate (UTS), MPa 460
380
Tensile Strength: Yield (Proof), MPa 190
170

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 920
970
Melting Onset (Solidus), °C 820
860
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 28
28
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
29
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
93
Resilience: Unit (Modulus of Resilience), kJ/m3 160
130
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
12
Strength to Weight: Bending, points 16
14
Thermal Diffusivity, mm2/s 8.3
8.0
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 1.5
Copper (Cu), % 79 to 85
89 to 99
Iron (Fe), % 0
0 to 2.5
Lead (Pb), % 0 to 0.5
0 to 0.5
Manganese (Mn), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 3.0 to 5.0
1.0 to 5.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 12 to 16
0 to 5.0
Residuals, % 0 to 0.5
0