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C94800 Bronze vs. CR003A Copper

Both C94800 bronze and CR003A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is C94800 bronze and the bottom bar is CR003A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 22
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 310
230
Tensile Strength: Yield (Proof), MPa 160
140

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 1030
1090
Melting Onset (Solidus), °C 900
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 39
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
100
Electrical Conductivity: Equal Weight (Specific), % IACS 12
100

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.8
9.0
Embodied Carbon, kg CO2/kg material 3.5
2.6
Embodied Energy, MJ/kg 56
41
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
31
Resilience: Unit (Modulus of Resilience), kJ/m3 110
83
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.8
7.1
Strength to Weight: Bending, points 12
9.3
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 11
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.15
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Copper (Cu), % 84 to 89
99.954 to 100
Iron (Fe), % 0 to 0.25
0 to 0.0010
Lead (Pb), % 0.3 to 1.0
0 to 0.00050
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 4.5 to 6.0
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.050
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.050
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0
Residuals, % 0 to 1.3
0