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C21000 Brass vs. CC490K Brass

Both C21000 brass and CC490K brass are copper alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 240 to 450
230
Tensile Strength: Yield (Proof), MPa 69 to 440
110

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 1070
980
Melting Onset (Solidus), °C 1050
910
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 230
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
16
Electrical Conductivity: Equal Weight (Specific), % IACS 57
16

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
28
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
54
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.4 to 14
7.3
Strength to Weight: Bending, points 9.6 to 15
9.5
Thermal Diffusivity, mm2/s 69
22
Thermal Shock Resistance, points 8.1 to 15
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 94 to 96
81 to 86
Iron (Fe), % 0 to 0.050
0 to 0.5
Lead (Pb), % 0 to 0.030
3.0 to 6.0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 3.7 to 6.0
7.0 to 9.5
Residuals, % 0 to 0.2
0