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CR017A Copper vs. C94400 Bronze

Both CR017A copper and C94400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% 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 CR017A copper and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
18
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 43
37
Tensile Strength: Ultimate (UTS), MPa 230
220
Tensile Strength: Yield (Proof), MPa 140
110

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1090
940
Melting Onset (Solidus), °C 1040
790
Specific Heat Capacity, J/kg-K 390
350
Thermal Conductivity, W/m-K 380
52
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
10
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 32
32
Density, g/cm3 9.0
9.1
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 42
54
Embodied Water, L/kg 340
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
33
Resilience: Unit (Modulus of Resilience), kJ/m3 83
60
Stiffness to Weight: Axial, points 7.2
6.1
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 7.1
6.8
Strength to Weight: Bending, points 9.3
9.0
Thermal Diffusivity, mm2/s 110
17
Thermal Shock Resistance, points 8.1
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.944 to 99.97
76.1 to 84
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8