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CC751S Brass vs. C86800 Bronze

Both CC751S brass and C86800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% 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 CC751S brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 5.6
22
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 450
570
Tensile Strength: Yield (Proof), MPa 320
260

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 850
900
Melting Onset (Solidus), °C 810
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 28
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
100
Resilience: Unit (Modulus of Resilience), kJ/m3 480
310
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
19
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 2.0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
53.5 to 57
Iron (Fe), % 0.25 to 0.5
1.0 to 2.5
Lead (Pb), % 0.8 to 2.2
0 to 0.2
Manganese (Mn), % 0 to 0.15
2.5 to 4.0
Nickel (Ni), % 0 to 0.8
2.5 to 4.0
Silicon (Si), % 0.65 to 1.1
0
Tin (Sn), % 0 to 0.8
0 to 1.0
Zinc (Zn), % 27.9 to 35.6
28.3 to 40.5
Residuals, % 0
0 to 1.0