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CC331G Bronze vs. CC212E Bronze

Both CC331G bronze and CC212E bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common. There are 27 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 CC331G bronze and the bottom bar is CC212E bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170
Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 20
20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
47
Tensile Strength: Ultimate (UTS), MPa 620
710
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 230
230
Maximum Temperature: Mechanical, °C 220
220
Melting Completion (Liquidus), °C 1060
1080
Melting Onset (Solidus), °C 1000
1020
Specific Heat Capacity, J/kg-K 440
440
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 14
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
27
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 3.2
3.4
Embodied Energy, MJ/kg 53
55
Embodied Water, L/kg 390
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
390
Stiffness to Weight: Axial, points 7.6
8.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 22
22

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
7.0 to 9.0
Copper (Cu), % 83 to 86.5
68 to 77
Iron (Fe), % 1.5 to 3.5
2.0 to 4.0
Lead (Pb), % 0 to 0.1
0 to 0.050
Magnesium (Mg), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 1.0
8.0 to 15
Nickel (Ni), % 0 to 1.5
1.5 to 4.5
Silicon (Si), % 0 to 0.2
0 to 0.1
Tin (Sn), % 0 to 0.2
0 to 0.5
Zinc (Zn), % 0 to 0.5
0 to 1.0