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CC760S Brass vs. C90800 Bronze

Both CC760S brass and C90800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is CC760S brass and the bottom bar is C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
90
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 180
330
Tensile Strength: Yield (Proof), MPa 80
170

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1000
990
Melting Onset (Solidus), °C 940
870
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 150
68
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
11
Electrical Conductivity: Equal Weight (Specific), % IACS 40
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 43
62
Embodied Water, L/kg 320
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
35
Resilience: Unit (Modulus of Resilience), kJ/m3 29
140
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 5.8
11
Strength to Weight: Bending, points 8.2
12
Thermal Diffusivity, mm2/s 45
21
Thermal Shock Resistance, points 6.2
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
85.3 to 89
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 0 to 0.5
0 to 0.25
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0 to 0.5
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.020
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.3
11 to 13
Zinc (Zn), % 10.7 to 17
0 to 0.25