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C85200 Brass vs. C55181 Copper

Both C85200 brass and C55181 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common. There are 20 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 C85200 brass and the bottom bar is C55181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 270
200

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 940
790
Melting Onset (Solidus), °C 930
710
Specific Heat Capacity, J/kg-K 380
410
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 2.8
2.4
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 330
290

Common Calculations

Stiffness to Weight: Axial, points 7.0
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.9
6.5
Strength to Weight: Bending, points 11
8.9
Thermal Shock Resistance, points 9.3
8.2

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 70 to 74
92.4 to 93
Iron (Fe), % 0 to 0.6
0
Lead (Pb), % 1.5 to 3.8
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.020
7.0 to 7.5
Silicon (Si), % 0 to 0.050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0.7 to 2.0
0
Zinc (Zn), % 20 to 27
0
Residuals, % 0
0 to 0.15