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C68400 Brass vs. C66200 Brass

Both C68400 brass and C66200 brass are copper alloys. They have 72% of their average alloy composition in common. There are 29 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 C68400 brass and the bottom bar is C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
8.0 to 15
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
42
Shear Strength, MPa 330
270 to 300
Tensile Strength: Ultimate (UTS), MPa 540
450 to 520
Tensile Strength: Yield (Proof), MPa 310
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 840
1070
Melting Onset (Solidus), °C 820
1030
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 66
150
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
35
Electrical Conductivity: Equal Weight (Specific), % IACS 99
36

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
40 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 460
760 to 1030
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
14 to 17
Strength to Weight: Bending, points 19
15 to 16
Thermal Diffusivity, mm2/s 21
45
Thermal Shock Resistance, points 18
16 to 18

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
86.6 to 91
Iron (Fe), % 0 to 1.0
0 to 0.050
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0.3 to 1.0
Phosphorus (P), % 0.030 to 0.3
0.050 to 0.2
Silicon (Si), % 1.5 to 2.5
0
Tin (Sn), % 0 to 0.5
0.2 to 0.7
Zinc (Zn), % 28.6 to 39.3
6.5 to 12.9
Residuals, % 0 to 0.5
0 to 0.5