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CC334G Bronze vs. CR021A Copper

Both CC334G bronze and CR021A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 78% 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 CC334G bronze and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 5.6
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 45
43
Tensile Strength: Ultimate (UTS), MPa 810
230
Tensile Strength: Yield (Proof), MPa 410
140

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Maximum Temperature: Mechanical, °C 240
200
Melting Completion (Liquidus), °C 1080
1090
Melting Onset (Solidus), °C 1020
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 41
380
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
98
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
99

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
31
Resilience: Unit (Modulus of Resilience), kJ/m3 710
83
Stiffness to Weight: Axial, points 8.1
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 28
7.1
Strength to Weight: Bending, points 24
9.3
Thermal Diffusivity, mm2/s 11
110
Thermal Shock Resistance, points 28
8.1

Alloy Composition

Aluminum (Al), % 10 to 12
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 72 to 84.5
99.95 to 99.998
Iron (Fe), % 3.0 to 7.0
0
Lead (Pb), % 0 to 0.050
0 to 0.0050
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.5
0
Nickel (Ni), % 4.0 to 7.5
0
Phosphorus (P), % 0
0.0020 to 0.0070
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0