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C84000 Brass vs. C83300 Brass

Both C84000 brass and C83300 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is C84000 brass and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
35
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 27
35
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 250
220
Tensile Strength: Yield (Proof), MPa 140
69

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1040
1060
Melting Onset (Solidus), °C 940
1030
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 72
160
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
32
Electrical Conductivity: Equal Weight (Specific), % IACS 17
33

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
60
Resilience: Unit (Modulus of Resilience), kJ/m3 83
21
Stiffness to Weight: Axial, points 7.2
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 8.2
6.9
Strength to Weight: Bending, points 10
9.2
Thermal Diffusivity, mm2/s 22
48
Thermal Shock Resistance, points 9.0
7.9

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
92 to 94
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.090
1.0 to 2.0
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0.5 to 2.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
1.0 to 2.0
Zinc (Zn), % 5.0 to 14
2.0 to 6.0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0
0 to 0.7