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C83300 Brass vs. C84500 Brass

Both C83300 brass and C84500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is C83300 brass and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 35
55
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 35
28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 220
240
Tensile Strength: Yield (Proof), MPa 69
97

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 1060
980
Melting Onset (Solidus), °C 1030
840
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 160
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
54
Resilience: Unit (Modulus of Resilience), kJ/m3 21
45
Stiffness to Weight: Axial, points 7.0
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.9
7.7
Strength to Weight: Bending, points 9.2
9.8
Thermal Diffusivity, mm2/s 48
23
Thermal Shock Resistance, points 7.9
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 92 to 94
77 to 79
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 1.0 to 2.0
6.0 to 7.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 1.0 to 2.0
2.0 to 4.0
Zinc (Zn), % 2.0 to 6.0
10 to 14
Residuals, % 0
0 to 0.7