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C85900 Brass vs. C55280 Copper

Both C85900 brass and C55280 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C85900 brass and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 460
180

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 830
790
Melting Onset (Solidus), °C 790
640
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.9
4.2
Embodied Energy, MJ/kg 49
67

Common Calculations

Stiffness to Weight: Axial, points 7.3
6.9
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 16
5.9
Strength to Weight: Bending, points 17
8.3
Thermal Shock Resistance, points 16
7.4

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0
Antimony (Sb), % 0 to 0.2
0
Boron (B), % 0 to 0.2
0
Copper (Cu), % 58 to 62
90.5 to 91.4
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.010
6.8 to 7.2
Silicon (Si), % 0 to 0.25
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 31 to 41
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15