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CC763S Brass vs. CC334G Bronze

Both CC763S brass and CC334G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC763S brass and the bottom bar is CC334G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
210
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.3
5.6
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 490
810
Tensile Strength: Yield (Proof), MPa 270
410

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 140
240
Melting Completion (Liquidus), °C 870
1080
Melting Onset (Solidus), °C 830
1020
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 32
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.9
3.6
Embodied Energy, MJ/kg 49
59
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
38
Resilience: Unit (Modulus of Resilience), kJ/m3 340
710
Stiffness to Weight: Axial, points 7.5
8.1
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 16
28

Alloy Composition

Aluminum (Al), % 1.0 to 2.5
10 to 12
Antimony (Sb), % 0 to 0.080
0
Copper (Cu), % 56.5 to 67
72 to 84.5
Iron (Fe), % 0.5 to 2.0
3.0 to 7.0
Lead (Pb), % 0 to 1.5
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 1.0 to 3.5
0 to 2.5
Nickel (Ni), % 0 to 2.5
4.0 to 7.5
Silicon (Si), % 0 to 1.0
0 to 0.1
Tin (Sn), % 0 to 1.0
0 to 0.2
Zinc (Zn), % 18.9 to 41
0 to 0.5