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C68800 Brass vs. C15900 Copper

Both C68800 brass and C15900 copper are copper alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 36
6.5
Poisson's Ratio 0.32
0.34
Rockwell B Hardness 81 to 99
95
Shear Modulus, GPa 41
43
Shear Strength, MPa 380 to 510
420
Tensile Strength: Ultimate (UTS), MPa 570 to 890
720
Tensile Strength: Yield (Proof), MPa 390 to 790
240

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 960
1080
Melting Onset (Solidus), °C 950
1030
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 40
280
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
48
Electrical Conductivity: Equal Weight (Specific), % IACS 20
49

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 48
45
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
37
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
260
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 30
23
Strength to Weight: Bending, points 19 to 25
20
Thermal Diffusivity, mm2/s 12
80
Thermal Shock Resistance, points 19 to 30
26

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0.76 to 0.84
Carbon (C), % 0
0.27 to 0.33
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
97.5 to 97.9
Iron (Fe), % 0 to 0.2
0 to 0.040
Lead (Pb), % 0 to 0.050
0
Oxygen (O), % 0
0.4 to 0.54
Titanium (Ti), % 0
0.66 to 0.74
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0