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C55280 Copper vs. C99700 Brass

Both C55280 copper and C99700 brass 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 (9, in this case) are not shown.

For each property being compared, the top bar is C55280 copper and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 180
380

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 790
900
Melting Onset (Solidus), °C 640
880
Specific Heat Capacity, J/kg-K 410
410
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 4.2
3.3
Embodied Energy, MJ/kg 67
53

Common Calculations

Stiffness to Weight: Axial, points 6.9
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 5.9
13
Strength to Weight: Bending, points 8.3
14
Thermal Shock Resistance, points 7.4
11

Alloy Composition

Aluminum (Al), % 0
0.5 to 3.0
Copper (Cu), % 90.5 to 91.4
54 to 65.5
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0
0 to 2.0
Manganese (Mn), % 0
11 to 15
Nickel (Ni), % 0
4.0 to 6.0
Phosphorus (P), % 6.8 to 7.2
0
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19 to 25
Residuals, % 0
0 to 0.3