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CC763S Brass vs. C87200 Bronze

Both CC763S brass and C87200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC763S brass and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
85
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
30
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 490
380
Tensile Strength: Yield (Proof), MPa 270
170

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 870
970
Melting Onset (Solidus), °C 830
860
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 32
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
93
Resilience: Unit (Modulus of Resilience), kJ/m3 340
130
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
12
Strength to Weight: Bending, points 17
14
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 1.0 to 2.5
0 to 1.5
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 56.5 to 67
89 to 99
Iron (Fe), % 0.5 to 2.0
0 to 2.5
Lead (Pb), % 0 to 1.5
0 to 0.5
Manganese (Mn), % 1.0 to 3.5
0 to 1.5
Nickel (Ni), % 0 to 2.5
0
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0 to 1.0
1.0 to 5.0
Tin (Sn), % 0 to 1.0
0 to 1.0
Zinc (Zn), % 18.9 to 41
0 to 5.0