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C84000 Brass vs. C99300 Copper

Both C84000 brass and C99300 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is C84000 brass and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
200
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 27
2.0
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 250
660
Tensile Strength: Yield (Proof), MPa 140
380

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 1040
1080
Melting Onset (Solidus), °C 940
1070
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 72
43
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 30
35
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 49
70
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
11
Resilience: Unit (Modulus of Resilience), kJ/m3 83
590
Stiffness to Weight: Axial, points 7.2
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.2
22
Strength to Weight: Bending, points 10
20
Thermal Diffusivity, mm2/s 22
12
Thermal Shock Resistance, points 9.0
22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
10.7 to 11.5
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 82 to 89
68.6 to 74.4
Iron (Fe), % 0 to 0.4
0.4 to 1.0
Lead (Pb), % 0 to 0.090
0 to 0.020
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0.5 to 2.0
13.5 to 16.5
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.020
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
0 to 0.050
Zinc (Zn), % 5.0 to 14
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 0.3