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C68000 Brass vs. C83300 Brass

Both C68000 brass and C83300 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68000 brass and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 27
35
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 390
220
Tensile Strength: Yield (Proof), MPa 140
69

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 880
1060
Melting Onset (Solidus), °C 870
1030
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 96
160
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 48
44
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
60
Resilience: Unit (Modulus of Resilience), kJ/m3 95
21
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 14
6.9
Strength to Weight: Bending, points 15
9.2
Thermal Diffusivity, mm2/s 31
48
Thermal Shock Resistance, points 13
7.9

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 56 to 60
92 to 94
Iron (Fe), % 0.25 to 1.3
0
Lead (Pb), % 0 to 0.050
1.0 to 2.0
Manganese (Mn), % 0.010 to 0.5
0
Nickel (Ni), % 0.2 to 0.8
0
Silicon (Si), % 0.040 to 0.15
0
Tin (Sn), % 0.75 to 1.1
1.0 to 2.0
Zinc (Zn), % 35.6 to 42.8
2.0 to 6.0
Residuals, % 0
0 to 0.7