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C92700 Bronze vs. CR025A Copper

Both C92700 bronze and CR025A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C92700 bronze and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 9.1
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 290
230
Tensile Strength: Yield (Proof), MPa 150
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 980
1090
Melting Onset (Solidus), °C 840
1040
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 47
370
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
99
Electrical Conductivity: Equal Weight (Specific), % IACS 11
99

Otherwise Unclassified Properties

Base Metal Price, % relative 35
31
Density, g/cm3 8.7
9.0
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 58
41
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
31
Resilience: Unit (Modulus of Resilience), kJ/m3 110
83
Stiffness to Weight: Axial, points 6.8
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.1
7.1
Strength to Weight: Bending, points 11
9.3
Thermal Diffusivity, mm2/s 15
110
Thermal Shock Resistance, points 11
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 86 to 89
99.9 to 99.96
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 1.0 to 2.5
0 to 0.0050
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0.040 to 0.060
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0 to 0.7
0