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CC762S Brass vs. C94900 Bronze

Both CC762S brass and C94900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC762S brass and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.3
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 840
300
Tensile Strength: Yield (Proof), MPa 540
130

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 920
980
Melting Onset (Solidus), °C 870
910
Specific Heat Capacity, J/kg-K 420
370
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
14
Electrical Conductivity: Equal Weight (Specific), % IACS 32
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 51
55
Embodied Water, L/kg 350
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
41
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
72
Stiffness to Weight: Axial, points 7.8
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 29
9.4
Strength to Weight: Bending, points 25
11
Thermal Shock Resistance, points 27
11

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0 to 0.0050
Antimony (Sb), % 0 to 0.030
0 to 0.25
Copper (Cu), % 57 to 67
79 to 81
Iron (Fe), % 1.5 to 4.0
0 to 0.3
Lead (Pb), % 0 to 0.2
4.0 to 6.0
Manganese (Mn), % 2.5 to 5.0
0 to 0.1
Nickel (Ni), % 0 to 3.0
4.0 to 6.0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.2
4.0 to 6.0
Zinc (Zn), % 13.4 to 36
4.0 to 6.0
Residuals, % 0
0 to 0.8