MakeItFrom.com
Menu (ESC)

CC482K Bronze vs. CC490K Brass

Both CC482K bronze and CC490K brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is CC482K bronze and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 99
76
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 5.6
15
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 300
230
Tensile Strength: Yield (Proof), MPa 160
110

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 980
980
Melting Onset (Solidus), °C 860
910
Specific Heat Capacity, J/kg-K 360
370
Thermal Conductivity, W/m-K 64
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
16
Electrical Conductivity: Equal Weight (Specific), % IACS 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
30
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 3.8
2.9
Embodied Energy, MJ/kg 62
47
Embodied Water, L/kg 400
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
28
Resilience: Unit (Modulus of Resilience), kJ/m3 120
54
Stiffness to Weight: Axial, points 6.8
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.5
7.3
Strength to Weight: Bending, points 11
9.5
Thermal Diffusivity, mm2/s 20
22
Thermal Shock Resistance, points 11
8.2

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.2
0 to 0.3
Copper (Cu), % 83.5 to 87
81 to 86
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0.7 to 2.5
3.0 to 6.0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 2.0
0 to 2.0
Phosphorus (P), % 0 to 0.4
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0 to 0.080
0 to 0.1
Tin (Sn), % 10.5 to 12.5
2.0 to 3.5
Zinc (Zn), % 0 to 2.0
7.0 to 9.5