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CC763S Brass vs. CC481K Bronze

Both CC763S brass and CC481K 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. 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 CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
90
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
4.5
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 490
350
Tensile Strength: Yield (Proof), MPa 270
180

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 870
1000
Melting Onset (Solidus), °C 830
880
Specific Heat Capacity, J/kg-K 400
370
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
10
Electrical Conductivity: Equal Weight (Specific), % IACS 32
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
35
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.9
3.7
Embodied Energy, MJ/kg 49
60
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
13
Resilience: Unit (Modulus of Resilience), kJ/m3 340
150
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 17
11
Strength to Weight: Bending, points 17
13
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 1.0 to 2.5
0 to 0.010
Antimony (Sb), % 0 to 0.080
0 to 0.050
Copper (Cu), % 56.5 to 67
87 to 89.5
Iron (Fe), % 0.5 to 2.0
0 to 0.1
Lead (Pb), % 0 to 1.5
0 to 0.25
Manganese (Mn), % 1.0 to 3.5
0 to 0.050
Nickel (Ni), % 0 to 2.5
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 1.0
10 to 11.5
Zinc (Zn), % 18.9 to 41
0 to 0.5