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CR012A Copper vs. C91300 Bell Metal

Both CR012A copper and C91300 bell metal 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 CR012A copper and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
0.5
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 220
240
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1090
890
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 390
360
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
39
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 42
74
Embodied Water, L/kg 360
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 76
210
Stiffness to Weight: Axial, points 7.2
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
7.8
Strength to Weight: Bending, points 9.0
10
Thermal Shock Resistance, points 7.8
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
79 to 82
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
18 to 20
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.6