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CC333G Bronze vs. CC752S Brass

Both CC333G bronze and CC752S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is CC333G bronze and the bottom bar is CC752S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
100
Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 13
8.4
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 710
350
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1080
840
Melting Onset (Solidus), °C 1020
800
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 38
110
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
28

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
46
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
25
Resilience: Unit (Modulus of Resilience), kJ/m3 410
180
Stiffness to Weight: Axial, points 8.0
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 10
35
Thermal Shock Resistance, points 24
12

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0.3 to 0.7
Antimony (Sb), % 0
0 to 0.14
Arsenic (As), % 0
0.040 to 0.14
Bismuth (Bi), % 0 to 0.010
0
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 76 to 83
61.5 to 64.5
Iron (Fe), % 3.0 to 5.5
0 to 0.3
Lead (Pb), % 0 to 0.030
1.5 to 2.2
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 3.0
0 to 0.1
Nickel (Ni), % 3.7 to 6.0
0 to 0.2
Silicon (Si), % 0 to 0.1
0 to 0.020
Tin (Sn), % 0 to 0.1
0 to 0.3
Zinc (Zn), % 0 to 0.5
31.5 to 36.7