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CC751S Brass vs. C91300 Bell Metal

Both CC751S brass and C91300 bell metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC751S brass and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 5.6
0.5
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 450
240
Tensile Strength: Yield (Proof), MPa 320
210

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 850
890
Melting Onset (Solidus), °C 810
820
Specific Heat Capacity, J/kg-K 390
360
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 28
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
39
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 46
74
Embodied Water, L/kg 330
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 480
210
Stiffness to Weight: Axial, points 7.2
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 15
7.8
Strength to Weight: Bending, points 16
10
Thermal Shock Resistance, points 15
9.3

Alloy Composition


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Aluminum (Al), % 0 to 0.1
0 to 0.0050
Antimony (Sb), % 0 to 0.5
0 to 0.2
Copper (Cu), % 62.7 to 66
79 to 82
Iron (Fe), % 0.25 to 0.5
0 to 0.25
Lead (Pb), % 0.8 to 2.2
0 to 0.25
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.8
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.65 to 1.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.8
18 to 20
Zinc (Zn), % 27.9 to 35.6
0 to 0.25
Residuals, % 0
0 to 0.6