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CR022A Copper vs. C93800 Bronze

Both CR022A copper and C93800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is CR022A copper and the bottom bar is C93800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
96
Elongation at Break, % 15
9.7
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 43
35
Tensile Strength: Ultimate (UTS), MPa 230
200
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
940
Melting Onset (Solidus), °C 1040
850
Specific Heat Capacity, J/kg-K 390
340
Thermal Conductivity, W/m-K 380
52
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
9.1
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 41
51
Embodied Water, L/kg 310
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
17
Resilience: Unit (Modulus of Resilience), kJ/m3 83
70
Stiffness to Weight: Axial, points 7.2
5.9
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 7.1
6.1
Strength to Weight: Bending, points 9.3
8.4
Thermal Diffusivity, mm2/s 110
17
Thermal Shock Resistance, points 8.1
8.1

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0 to 0.00040
0 to 0.8
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Copper (Cu), % 99.99 to 99.999
75 to 79
Iron (Fe), % 0 to 0.0010
0 to 0.15
Lead (Pb), % 0 to 0.00050
13 to 16
Manganese (Mn), % 0 to 0.00050
0
Nickel (Ni), % 0 to 0.0010
0 to 1.0
Phosphorus (P), % 0.0010 to 0.0060
0 to 1.5
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.080
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
6.3 to 7.5
Zinc (Zn), % 0 to 0.00010
0 to 0.8
Residuals, % 0
0 to 1.0