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C84000 Brass vs. CC332G Bronze

Both C84000 brass and CC332G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is C84000 brass and the bottom bar is CC332G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
130
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 27
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 250
620
Tensile Strength: Yield (Proof), MPa 140
250

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1040
1060
Melting Onset (Solidus), °C 940
1010
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 72
45
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 49
55
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
110
Resilience: Unit (Modulus of Resilience), kJ/m3 83
270
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.2
21
Strength to Weight: Bending, points 10
19
Thermal Diffusivity, mm2/s 22
12
Thermal Shock Resistance, points 9.0
21

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
8.5 to 10.5
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
80 to 86
Iron (Fe), % 0 to 0.4
1.0 to 3.0
Lead (Pb), % 0 to 0.090
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.010
0 to 2.0
Nickel (Ni), % 0.5 to 2.0
1.5 to 4.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.2
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
0 to 0.2
Zinc (Zn), % 5.0 to 14
0 to 0.5
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0