MakeItFrom.com
Menu (ESC)

C90500 Gun Metal vs. C91300 Bell Metal

Both C90500 gun metal and C91300 bell metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common. There are 27 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 C90500 gun metal and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 280
190
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 20
0.5
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 320
240
Tensile Strength: Yield (Proof), MPa 160
210

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 1000
890
Melting Onset (Solidus), °C 850
820
Specific Heat Capacity, J/kg-K 370
360
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 35
39
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 3.6
4.5
Embodied Energy, MJ/kg 59
74
Embodied Water, L/kg 390
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110
210
Stiffness to Weight: Axial, points 6.9
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 10
7.8
Strength to Weight: Bending, points 12
10
Thermal Shock Resistance, points 12
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.2
Copper (Cu), % 86 to 89
79 to 82
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.3
0 to 0.25
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 9.0 to 11
18 to 20
Zinc (Zn), % 1.0 to 3.0
0 to 0.25
Residuals, % 0
0 to 0.6