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CC490K Brass vs. C83300 Brass

Both CC490K 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 CC490K brass and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 76
35
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
35
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 230
220
Tensile Strength: Yield (Proof), MPa 110
69

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 980
1060
Melting Onset (Solidus), °C 910
1030
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 72
160
Thermal Expansion, µm/m-K 19
18

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
60
Resilience: Unit (Modulus of Resilience), kJ/m3 54
21
Stiffness to Weight: Axial, points 6.8
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.3
6.9
Strength to Weight: Bending, points 9.5
9.2
Thermal Diffusivity, mm2/s 22
48
Thermal Shock Resistance, points 8.2
7.9

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.3
0
Copper (Cu), % 81 to 86
92 to 94
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 3.0 to 6.0
1.0 to 2.0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 2.0 to 3.5
1.0 to 2.0
Zinc (Zn), % 7.0 to 9.5
2.0 to 6.0
Residuals, % 0
0 to 0.7