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C91300 Bell Metal vs. C21000 Brass

Both C91300 bell metal and C21000 brass are copper alloys. 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 (6, in this case) are not shown.

For each property being compared, the top bar is C91300 bell metal and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 0.5
2.9 to 50
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 38
43
Tensile Strength: Ultimate (UTS), MPa 240
240 to 450
Tensile Strength: Yield (Proof), MPa 210
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 150
190
Melting Completion (Liquidus), °C 890
1070
Melting Onset (Solidus), °C 820
1050
Specific Heat Capacity, J/kg-K 360
390
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
56
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
57

Otherwise Unclassified Properties

Base Metal Price, % relative 39
30
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 4.5
2.6
Embodied Energy, MJ/kg 74
42
Embodied Water, L/kg 460
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 210
21 to 830
Stiffness to Weight: Axial, points 6.6
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.8
7.4 to 14
Strength to Weight: Bending, points 10
9.6 to 15
Thermal Shock Resistance, points 9.3
8.1 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 79 to 82
94 to 96
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.25
0 to 0.030
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 18 to 20
0
Zinc (Zn), % 0 to 0.25
3.7 to 6.0
Residuals, % 0
0 to 0.2