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C94900 Bronze vs. CC762S Brass

Both C94900 bronze and CC762S brass 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 C94900 bronze and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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