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C68700 Brass vs. C83300 Brass

Both C68700 brass and C83300 brass are copper alloys. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 390
220
Tensile Strength: Yield (Proof), MPa 140
69

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 970
1060
Melting Onset (Solidus), °C 930
1030
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
32
Electrical Conductivity: Equal Weight (Specific), % IACS 25
33

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
21
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
6.9
Strength to Weight: Bending, points 14
9.2
Thermal Diffusivity, mm2/s 30
48
Thermal Shock Resistance, points 13
7.9

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Copper (Cu), % 76 to 79
92 to 94
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
1.0 to 2.0
Tin (Sn), % 0
1.0 to 2.0
Zinc (Zn), % 17.8 to 22.2
2.0 to 6.0
Residuals, % 0
0 to 0.7