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C94400 Bronze vs. CC751S Brass

Both C94400 bronze and CC751S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% of their average alloy composition in common.

For each property being compared, the top bar is C94400 bronze and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
130
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 18
5.6
Poisson's Ratio 0.35
0.31
Shear Modulus, GPa 37
40
Tensile Strength: Ultimate (UTS), MPa 220
450
Tensile Strength: Yield (Proof), MPa 110
320

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
130
Melting Completion (Liquidus), °C 940
850
Melting Onset (Solidus), °C 790
810
Specific Heat Capacity, J/kg-K 350
390
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
25
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
28

Otherwise Unclassified Properties

Base Metal Price, % relative 32
24
Density, g/cm3 9.1
8.1
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 54
46
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
23
Resilience: Unit (Modulus of Resilience), kJ/m3 60
480
Stiffness to Weight: Axial, points 6.1
7.2
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 6.8
15
Strength to Weight: Bending, points 9.0
16
Thermal Diffusivity, mm2/s 17
35
Thermal Shock Resistance, points 8.3
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.1
Antimony (Sb), % 0 to 0.8
0 to 0.5
Copper (Cu), % 76.1 to 84
62.7 to 66
Iron (Fe), % 0 to 0.15
0.25 to 0.5
Lead (Pb), % 9.0 to 12
0.8 to 2.2
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 1.0
0 to 0.8
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0.65 to 1.1
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 7.0 to 9.0
0 to 0.8
Zinc (Zn), % 0 to 0.8
27.9 to 35.6