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C90200 Bronze vs. CC765S Brass

Both C90200 bronze and CC765S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% of their average alloy composition in common.

For each property being compared, the top bar is C90200 bronze and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
130
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 30
21
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 260
540
Tensile Strength: Yield (Proof), MPa 110
220

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 1050
860
Melting Onset (Solidus), °C 880
820
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 62
91
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
30
Electrical Conductivity: Equal Weight (Specific), % IACS 13
34

Otherwise Unclassified Properties

Base Metal Price, % relative 34
24
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 53
51
Embodied Water, L/kg 370
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
90
Resilience: Unit (Modulus of Resilience), kJ/m3 55
220
Stiffness to Weight: Axial, points 7.0
7.6
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.3
19
Strength to Weight: Bending, points 10
18
Thermal Diffusivity, mm2/s 19
28
Thermal Shock Resistance, points 9.5
17

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0.5 to 2.5
Antimony (Sb), % 0 to 0.2
0 to 0.080
Copper (Cu), % 91 to 94
51 to 65
Iron (Fe), % 0 to 0.2
0.5 to 2.0
Lead (Pb), % 0 to 0.3
0 to 0.5
Manganese (Mn), % 0
0.3 to 3.0
Nickel (Ni), % 0 to 0.5
0 to 6.0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 6.0 to 8.0
0 to 1.0
Zinc (Zn), % 0 to 0.5
19.8 to 47.7
Residuals, % 0 to 0.6
0