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CC482K Bronze vs. CC753S Brass

Both CC482K bronze and CC753S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is CC482K bronze and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 99
100
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 5.6
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 300
340
Tensile Strength: Yield (Proof), MPa 160
170

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 980
820
Melting Onset (Solidus), °C 860
780
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 64
99
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
26
Electrical Conductivity: Equal Weight (Specific), % IACS 10
29

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 62
47
Embodied Water, L/kg 400
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
47
Resilience: Unit (Modulus of Resilience), kJ/m3 120
140
Stiffness to Weight: Axial, points 6.8
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.5
12
Strength to Weight: Bending, points 11
13
Thermal Diffusivity, mm2/s 20
32
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0.4 to 0.8
Antimony (Sb), % 0 to 0.2
0 to 0.050
Copper (Cu), % 83.5 to 87
56.8 to 60.5
Iron (Fe), % 0 to 0.2
0.5 to 0.8
Lead (Pb), % 0.7 to 2.5
1.8 to 2.5
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0 to 2.0
0.5 to 1.2
Phosphorus (P), % 0 to 0.4
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.050
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 10.5 to 12.5
0 to 0.8
Zinc (Zn), % 0 to 2.0
33.1 to 40