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CC765S Brass vs. C91600 Bronze

Both CC765S brass and C91600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is CC765S brass and the bottom bar is C91600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
84
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
11
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 540
310
Tensile Strength: Yield (Proof), MPa 220
160

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 860
1030
Melting Onset (Solidus), °C 820
860
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 91
71
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
10
Electrical Conductivity: Equal Weight (Specific), % IACS 34
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 3.0
3.7
Embodied Energy, MJ/kg 51
61
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
30
Resilience: Unit (Modulus of Resilience), kJ/m3 220
120
Stiffness to Weight: Axial, points 7.6
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
9.9
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 28
22
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0 to 0.0050
Antimony (Sb), % 0 to 0.080
0 to 0.2
Copper (Cu), % 51 to 65
85.9 to 89.1
Iron (Fe), % 0.5 to 2.0
0 to 0.2
Lead (Pb), % 0 to 0.5
0 to 0.25
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
1.2 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.3
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 1.0
9.7 to 10.8
Zinc (Zn), % 19.8 to 47.7
0 to 0.25