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C91300 Bell Metal vs. C37700 Brass

Both C91300 bell metal and C37700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C91300 bell metal and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 0.5
40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 38
39
Tensile Strength: Ultimate (UTS), MPa 240
400
Tensile Strength: Yield (Proof), MPa 210
160

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 150
120
Melting Completion (Liquidus), °C 890
890
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 360
380
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
30

Otherwise Unclassified Properties

Base Metal Price, % relative 39
23
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 4.5
2.6
Embodied Energy, MJ/kg 74
45
Embodied Water, L/kg 460
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
120
Stiffness to Weight: Axial, points 6.6
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.8
14
Strength to Weight: Bending, points 10
15
Thermal Shock Resistance, points 9.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 79 to 82
58 to 61
Iron (Fe), % 0 to 0.25
0 to 0.3
Lead (Pb), % 0 to 0.25
1.5 to 2.5
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
35.7 to 40.5
Residuals, % 0
0 to 0.5