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CC753S Brass vs. CC480K Bronze

Both CC753S brass and CC480K bronze 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 CC753S brass and the bottom bar is CC480K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47
35
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 7.1
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
9.6
Strength to Weight: Bending, points 13
11
Thermal Diffusivity, mm2/s 32
20
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 0.4 to 0.8
0 to 0.010
Antimony (Sb), % 0 to 0.050
0 to 0.2
Copper (Cu), % 56.8 to 60.5
86 to 90
Iron (Fe), % 0.5 to 0.8
0 to 0.2
Lead (Pb), % 1.8 to 2.5
0 to 1.0
Manganese (Mn), % 0 to 0.2
0 to 0.1
Nickel (Ni), % 0.5 to 1.2
0 to 2.0
Phosphorus (P), % 0 to 0.020
0 to 0.2
Silicon (Si), % 0 to 0.050
0 to 0.020
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.8
9.0 to 11
Zinc (Zn), % 33.1 to 40
0 to 0.5