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CC334G Bronze vs. CC762S Brass

Both CC334G bronze and CC762S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is CC334G bronze and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.6
7.3
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
43
Tensile Strength: Ultimate (UTS), MPa 810
840
Tensile Strength: Yield (Proof), MPa 410
540

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 240
160
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1020
870
Specific Heat Capacity, J/kg-K 450
420
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
32

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 59
51
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
54
Resilience: Unit (Modulus of Resilience), kJ/m3 710
1290
Stiffness to Weight: Axial, points 8.1
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 28
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 11
15
Thermal Shock Resistance, points 28
27

Alloy Composition

Aluminum (Al), % 10 to 12
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Copper (Cu), % 72 to 84.5
57 to 67
Iron (Fe), % 3.0 to 7.0
1.5 to 4.0
Lead (Pb), % 0 to 0.050
0 to 0.2
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.5
2.5 to 5.0
Nickel (Ni), % 4.0 to 7.5
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.1
Tin (Sn), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.5
13.4 to 36