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C94100 Bronze vs. CR021A Copper

Both C94100 bronze and CR021A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 76% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C94100 bronze and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
120
Elongation at Break, % 7.8
15
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 34
43
Tensile Strength: Ultimate (UTS), MPa 190
230
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 160
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 870
1090
Melting Onset (Solidus), °C 790
1040
Specific Heat Capacity, J/kg-K 330
390
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
98
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
99

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 9.2
9.0
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 48
41
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
31
Resilience: Unit (Modulus of Resilience), kJ/m3 97
83
Stiffness to Weight: Axial, points 5.5
7.2
Stiffness to Weight: Bending, points 16
18
Strength to Weight: Axial, points 5.8
7.1
Strength to Weight: Bending, points 8.1
9.3
Thermal Shock Resistance, points 7.6
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 72 to 79
99.95 to 99.998
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 18 to 22
0 to 0.0050
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0.0020 to 0.0070
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.5
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 1.3
0