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CC754S Brass vs. CC483K Bronze

Both CC754S brass and CC483K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common.

For each property being compared, the top bar is CC754S brass and the bottom bar is CC483K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
97
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 11
6.4
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 320
310
Tensile Strength: Yield (Proof), MPa 160
170

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 830
990
Melting Onset (Solidus), °C 780
870
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 95
68
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
10
Electrical Conductivity: Equal Weight (Specific), % IACS 30
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
36
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 47
62
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
17
Resilience: Unit (Modulus of Resilience), kJ/m3 130
130
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11
9.9
Strength to Weight: Bending, points 13
12
Thermal Diffusivity, mm2/s 31
21
Thermal Shock Resistance, points 10
11

Alloy Composition

Aluminum (Al), % 0 to 0.8
0 to 0.010
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 57 to 63
85 to 89
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 0.5 to 2.5
0 to 0.7
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 1.0
0 to 2.0
Phosphorus (P), % 0 to 0.020
0 to 0.6
Silicon (Si), % 0 to 0.3
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 1.0
10.5 to 13
Zinc (Zn), % 30.2 to 42.5
0 to 0.5