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CC499K Bronze vs. C84000 Brass

Both CC499K bronze and C84000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is CC499K bronze and the bottom bar is C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
65
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
27
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 260
250
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1000
1040
Melting Onset (Solidus), °C 920
940
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 73
72
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
16
Electrical Conductivity: Equal Weight (Specific), % IACS 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 32
30
Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
49
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
58
Resilience: Unit (Modulus of Resilience), kJ/m3 65
83
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
8.2
Strength to Weight: Bending, points 10
10
Thermal Diffusivity, mm2/s 22
22
Thermal Shock Resistance, points 9.2
9.0

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
0 to 0.020
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.020
0
Boron (B), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.020
0
Chromium (Cr), % 0 to 0.020
0
Copper (Cu), % 84 to 88
82 to 89
Iron (Fe), % 0 to 0.3
0 to 0.4
Lead (Pb), % 0 to 3.0
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0 to 0.6
0.5 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.040
0.1 to 0.65
Tin (Sn), % 4.0 to 6.0
2.0 to 4.0
Zinc (Zn), % 4.0 to 6.0
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7