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CC767S Brass vs. C95200 Bronze

Both CC767S brass and C95200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common.

For each property being compared, the top bar is CC767S brass and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
120
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 34
29
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 430
520
Tensile Strength: Yield (Proof), MPa 150
190

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 840
1050
Melting Onset (Solidus), °C 790
1040
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 110
50
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
11
Electrical Conductivity: Equal Weight (Specific), % IACS 36
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 47
50
Embodied Water, L/kg 330
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 100
170
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 34
14
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
8.5 to 9.5
Copper (Cu), % 58 to 64
86 to 89
Iron (Fe), % 0 to 0.5
2.5 to 4.0
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 32.8 to 41.9
0
Residuals, % 0
0 to 1.0