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C94900 Bronze vs. CC750S Brass

Both C94900 bronze and CC750S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% 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 CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
13
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 300
200
Tensile Strength: Yield (Proof), MPa 130
80

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 980
860
Melting Onset (Solidus), °C 910
810
Specific Heat Capacity, J/kg-K 370
380
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
24
Electrical Conductivity: Equal Weight (Specific), % IACS 14
26

Otherwise Unclassified Properties

Base Metal Price, % relative 32
25
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 55
46
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
22
Resilience: Unit (Modulus of Resilience), kJ/m3 72
30
Stiffness to Weight: Axial, points 6.9
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.4
6.8
Strength to Weight: Bending, points 11
9.3
Thermal Shock Resistance, points 11
6.7

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.1
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 79 to 81
62 to 67
Iron (Fe), % 0 to 0.3
0 to 0.8
Lead (Pb), % 4.0 to 6.0
1.0 to 3.0
Manganese (Mn), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 4.0 to 6.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.050
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0 to 1.5
Zinc (Zn), % 4.0 to 6.0
26.3 to 36
Residuals, % 0 to 0.8
0