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C85700 Brass vs. C91300 Bell Metal

Both C85700 brass and C91300 bell metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% 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 C85700 brass and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 17
0.5
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 310
240
Tensile Strength: Yield (Proof), MPa 110
210

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 940
890
Melting Onset (Solidus), °C 910
820
Specific Heat Capacity, J/kg-K 380
360
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 25
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
39
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 47
74
Embodied Water, L/kg 330
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 59
210
Stiffness to Weight: Axial, points 7.2
6.6
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11
7.8
Strength to Weight: Bending, points 13
10
Thermal Shock Resistance, points 10
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 58 to 64
79 to 82
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 0.8 to 1.5
0 to 0.25
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.050
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.5 to 1.5
18 to 20
Zinc (Zn), % 32 to 40
0 to 0.25
Residuals, % 0
0 to 0.6