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CC212E Bronze vs. C87500 Brass

Both CC212E bronze and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% 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 CC212E bronze and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 20
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 47
42
Tensile Strength: Ultimate (UTS), MPa 710
460
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 440
410
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 55
44
Embodied Water, L/kg 370
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
67
Resilience: Unit (Modulus of Resilience), kJ/m3 390
160
Stiffness to Weight: Axial, points 8.5
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 22
17

Alloy Composition

Aluminum (Al), % 7.0 to 9.0
0 to 0.5
Copper (Cu), % 68 to 77
79 to 85
Iron (Fe), % 2.0 to 4.0
0
Lead (Pb), % 0 to 0.050
0 to 0.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 8.0 to 15
0
Nickel (Ni), % 1.5 to 4.5
0
Silicon (Si), % 0 to 0.1
3.0 to 5.0
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 1.0
12 to 16
Residuals, % 0
0 to 0.5