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CC764S Brass vs. C95200 Bronze

Both CC764S brass and C95200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is CC764S brass and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
120
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
29
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 680
520
Tensile Strength: Yield (Proof), MPa 290
190

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 850
1050
Melting Onset (Solidus), °C 810
1040
Specific Heat Capacity, J/kg-K 400
430
Thermal Conductivity, W/m-K 94
50
Thermal Expansion, µm/m-K 20
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 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 49
50
Embodied Water, L/kg 330
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120
Resilience: Unit (Modulus of Resilience), kJ/m3 390
170
Stiffness to Weight: Axial, points 7.6
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 30
14
Thermal Shock Resistance, points 22
19

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
8.5 to 9.5
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 52 to 66
86 to 89
Iron (Fe), % 0.5 to 2.5
2.5 to 4.0
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0.3 to 4.0
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 0.3
0
Zinc (Zn), % 20.7 to 50.2
0
Residuals, % 0
0 to 1.0