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CC212E Bronze vs. C87900 Brass

Both CC212E bronze and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC212E bronze and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 20
25
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 47
41
Tensile Strength: Ultimate (UTS), MPa 710
480
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 1020
900
Specific Heat Capacity, J/kg-K 440
390
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
15
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 55
46
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 390
270
Stiffness to Weight: Axial, points 8.5
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 22
16

Alloy Composition

Aluminum (Al), % 7.0 to 9.0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 68 to 77
63 to 69.2
Iron (Fe), % 2.0 to 4.0
0 to 0.4
Lead (Pb), % 0 to 0.050
0 to 0.25
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 8.0 to 15
0 to 0.15
Nickel (Ni), % 1.5 to 4.5
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.5
0 to 0.25
Zinc (Zn), % 0 to 1.0
30 to 36