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C91300 Bell Metal vs. C87400 Brass

Both C91300 bell metal and C87400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% 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 C91300 bell metal and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 0.5
21
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 38
41
Tensile Strength: Ultimate (UTS), MPa 240
390
Tensile Strength: Yield (Proof), MPa 210
160

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 890
920
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 360
400
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 39
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 4.5
2.7
Embodied Energy, MJ/kg 74
44
Embodied Water, L/kg 460
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1
65
Resilience: Unit (Modulus of Resilience), kJ/m3 210
120
Stiffness to Weight: Axial, points 6.6
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.8
13
Strength to Weight: Bending, points 10
14
Thermal Shock Resistance, points 9.3
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.8
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 79 to 82
79 to 85.5
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.25
0 to 1.0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
2.5 to 4.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 18 to 20
0
Zinc (Zn), % 0 to 0.25
12 to 16
Residuals, % 0
0 to 0.8