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CC753S Brass vs. C90800 Bronze

Both CC753S brass and C90800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common.

For each property being compared, the top bar is CC753S brass and the bottom bar is C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
90
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
13
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 340
330
Tensile Strength: Yield (Proof), MPa 170
170

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 820
990
Melting Onset (Solidus), °C 780
870
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 99
68
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
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
410

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
11
Strength to Weight: Bending, points 13
12
Thermal Diffusivity, mm2/s 32
21
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0.4 to 0.8
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0 to 0.2
Copper (Cu), % 56.8 to 60.5
85.3 to 89
Iron (Fe), % 0.5 to 0.8
0 to 0.15
Lead (Pb), % 1.8 to 2.5
0 to 0.25
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 1.2
0 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.3
Silicon (Si), % 0 to 0.050
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.8
11 to 13
Zinc (Zn), % 33.1 to 40
0 to 0.25