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CC754S Brass vs. C94900 Bronze

Both CC754S brass and C94900 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 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 CC754S brass and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 11
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 320
300
Tensile Strength: Yield (Proof), MPa 160
130

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 830
980
Melting Onset (Solidus), °C 780
910
Specific Heat Capacity, J/kg-K 390
370
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
14
Electrical Conductivity: Equal Weight (Specific), % IACS 30
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 47
55
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
41
Resilience: Unit (Modulus of Resilience), kJ/m3 130
72
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11
9.4
Strength to Weight: Bending, points 13
11
Thermal Shock Resistance, points 10
11

Alloy Composition

Aluminum (Al), % 0 to 0.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 57 to 63
79 to 81
Iron (Fe), % 0 to 0.7
0 to 0.3
Lead (Pb), % 0.5 to 2.5
4.0 to 6.0
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 1.0
4.0 to 6.0
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.3
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 1.0
4.0 to 6.0
Zinc (Zn), % 30.2 to 42.5
4.0 to 6.0
Residuals, % 0
0 to 0.8