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C55181 Copper vs. C68300 Brass

Both C55181 copper and C68300 brass are copper alloys. They have 61% 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 C55181 copper and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 200
430

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 790
900
Melting Onset (Solidus), °C 710
890
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 2.4
2.8
Embodied Energy, MJ/kg 38
46
Embodied Water, L/kg 290
340

Common Calculations

Stiffness to Weight: Axial, points 7.0
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 6.5
15
Strength to Weight: Bending, points 8.9
16
Thermal Shock Resistance, points 8.2
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 92.4 to 93
59 to 63
Lead (Pb), % 0
0 to 0.090
Phosphorus (P), % 7.0 to 7.5
0
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0
0.050 to 0.2
Zinc (Zn), % 0
34.2 to 40.4
Residuals, % 0
0 to 0.5