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CC490K Brass vs. C86800 Bronze

Both CC490K brass and C86800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC490K brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
22
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 230
570
Tensile Strength: Yield (Proof), MPa 110
260

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 980
900
Melting Onset (Solidus), °C 910
880
Specific Heat Capacity, J/kg-K 370
400
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 30
24
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
100
Resilience: Unit (Modulus of Resilience), kJ/m3 54
310
Stiffness to Weight: Axial, points 6.8
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.3
20
Strength to Weight: Bending, points 9.5
19
Thermal Shock Resistance, points 8.2
18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 2.0
Antimony (Sb), % 0 to 0.3
0
Copper (Cu), % 81 to 86
53.5 to 57
Iron (Fe), % 0 to 0.5
1.0 to 2.5
Lead (Pb), % 3.0 to 6.0
0 to 0.2
Manganese (Mn), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 2.0
2.5 to 4.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 2.0 to 3.5
0 to 1.0
Zinc (Zn), % 7.0 to 9.5
28.3 to 40.5
Residuals, % 0
0 to 1.0