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C68300 Brass vs. CC490K Brass

Both C68300 brass and CC490K brass are copper alloys. They have 70% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 430
230
Tensile Strength: Yield (Proof), MPa 260
110

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
980
Melting Onset (Solidus), °C 890
910
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 340
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
28
Resilience: Unit (Modulus of Resilience), kJ/m3 330
54
Stiffness to Weight: Axial, points 7.3
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
7.3
Strength to Weight: Bending, points 16
9.5
Thermal Diffusivity, mm2/s 38
22
Thermal Shock Resistance, points 14
8.2

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0.3 to 1.0
0 to 0.3
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
81 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.090
3.0 to 6.0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.3 to 1.0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0.050 to 0.2
2.0 to 3.5
Zinc (Zn), % 34.2 to 40.4
7.0 to 9.5
Residuals, % 0 to 0.5
0