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CC762S Brass vs. C95200 Bronze

Both CC762S brass and C95200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 70% of their average alloy composition in common.

For each property being compared, the top bar is CC762S brass and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
120
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
29
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 840
520
Tensile Strength: Yield (Proof), MPa 540
190

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 920
1050
Melting Onset (Solidus), °C 870
1040
Specific Heat Capacity, J/kg-K 420
430
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 32
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
50
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
170
Stiffness to Weight: Axial, points 7.8
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 15
14
Thermal Shock Resistance, points 27
19

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
8.5 to 9.5
Antimony (Sb), % 0 to 0.030
0
Copper (Cu), % 57 to 67
86 to 89
Iron (Fe), % 1.5 to 4.0
2.5 to 4.0
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0
Residuals, % 0
0 to 1.0