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CC490K Brass vs. C72200 Copper-nickel

Both CC490K brass and C72200 copper-nickel are copper alloys. They have 83% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC490K brass and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
48
Tensile Strength: Ultimate (UTS), MPa 230
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 980
1180
Melting Onset (Solidus), °C 910
1120
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 72
34
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 16
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
36
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 47
59
Embodied Water, L/kg 340
300

Common Calculations

Stiffness to Weight: Axial, points 6.8
8.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.3
11 to 18
Strength to Weight: Bending, points 9.5
12 to 17
Thermal Diffusivity, mm2/s 22
9.6
Thermal Shock Resistance, points 8.2
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.3
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 81 to 86
78.1 to 84.2
Iron (Fe), % 0 to 0.5
0.5 to 1.0
Lead (Pb), % 3.0 to 6.0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 2.0
15 to 18
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
0
Zinc (Zn), % 7.0 to 9.5
0 to 1.0
Residuals, % 0
0 to 0.2