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C68400 Brass vs. C15500 Copper

Both C68400 brass and C15500 copper are copper alloys. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C15500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 18
3.0 to 37
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 330
190 to 320
Tensile Strength: Ultimate (UTS), MPa 540
280 to 550
Tensile Strength: Yield (Proof), MPa 310
130 to 530

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 840
1080
Melting Onset (Solidus), °C 820
1080
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 66
350
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
90
Electrical Conductivity: Equal Weight (Specific), % IACS 99
91

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
15 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 460
72 to 1210
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
8.6 to 17
Strength to Weight: Bending, points 19
11 to 17
Thermal Diffusivity, mm2/s 21
100
Thermal Shock Resistance, points 18
9.8 to 20

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
99.75 to 99.853
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
0.080 to 0.13
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0.040 to 0.080
Silicon (Si), % 1.5 to 2.5
0
Silver (Ag), % 0
0.027 to 0.1
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0 to 0.2