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CC480K Bronze vs. CC753S Brass

Both CC480K bronze and CC753S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is CC480K bronze and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 88
100
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 13
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 300
340
Tensile Strength: Yield (Proof), MPa 180
170

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1010
820
Melting Onset (Solidus), °C 900
780
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 63
99
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
26
Electrical Conductivity: Equal Weight (Specific), % IACS 11
29

Otherwise Unclassified Properties

Base Metal Price, % relative 35
23
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
47
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 6.9
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.6
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), % 86 to 90
56.8 to 60.5
Iron (Fe), % 0 to 0.2
0.5 to 0.8
Lead (Pb), % 0 to 1.0
1.8 to 2.5
Manganese (Mn), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0 to 2.0
0.5 to 1.2
Phosphorus (P), % 0 to 0.2
0 to 0.020
Silicon (Si), % 0 to 0.020
0 to 0.050
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0 to 0.8
Zinc (Zn), % 0 to 0.5
33.1 to 40