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CC752S Brass vs. C94900 Bronze

Both CC752S brass and C94900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 70% 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 CC752S 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, % 8.4
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 350
300
Tensile Strength: Yield (Proof), MPa 190
130

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 840
980
Melting Onset (Solidus), °C 800
910
Specific Heat Capacity, J/kg-K 380
370
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
14
Electrical Conductivity: Equal Weight (Specific), % IACS 28
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 46
55
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
41
Resilience: Unit (Modulus of Resilience), kJ/m3 180
72
Stiffness to Weight: Axial, points 7.1
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
9.4
Strength to Weight: Bending, points 13
11
Thermal Shock Resistance, points 12
11

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0 to 0.0050
Antimony (Sb), % 0 to 0.14
0 to 0.25
Arsenic (As), % 0.040 to 0.14
0
Copper (Cu), % 61.5 to 64.5
79 to 81
Iron (Fe), % 0 to 0.3
0 to 0.3
Lead (Pb), % 1.5 to 2.2
4.0 to 6.0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0 to 0.2
4.0 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.020
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.3
4.0 to 6.0
Zinc (Zn), % 31.5 to 36.7
4.0 to 6.0
Residuals, % 0
0 to 0.8