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C40500 Penny Bronze vs. CR021A Copper

Both C40500 penny bronze and CR021A copper are copper alloys. They have a very high 95% of their average alloy composition in common. There are 28 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 C40500 penny bronze and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.0 to 49
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 270 to 540
230
Tensile Strength: Yield (Proof), MPa 79 to 520
140

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 1060
1090
Melting Onset (Solidus), °C 1020
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 160
380
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
98
Electrical Conductivity: Equal Weight (Specific), % IACS 42
99

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.8
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 43
41
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 110
31
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 1200
83
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.5 to 17
7.1
Strength to Weight: Bending, points 10 to 17
9.3
Thermal Diffusivity, mm2/s 48
110
Thermal Shock Resistance, points 9.5 to 19
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 94 to 96
99.95 to 99.998
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0 to 0.0050
Phosphorus (P), % 0
0.0020 to 0.0070
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0.7 to 1.3
0
Zinc (Zn), % 2.1 to 5.3
0
Residuals, % 0 to 0.5
0