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C44400 Brass vs. C65500 Bronze

Both C44400 brass and C65500 bronze are copper alloys. They have 73% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 350
360 to 760
Tensile Strength: Yield (Proof), MPa 120
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 940
1030
Melting Onset (Solidus), °C 900
970
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
36
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 27
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
62 to 790
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
12 to 24
Strength to Weight: Bending, points 13
13 to 21
Thermal Diffusivity, mm2/s 35
10
Thermal Shock Resistance, points 12
12 to 26

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
91.5 to 96.7
Iron (Fe), % 0 to 0.060
0 to 0.8
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0.5 to 1.3
Nickel (Ni), % 0
0 to 0.6
Silicon (Si), % 0
2.8 to 3.8
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
0 to 1.5
Residuals, % 0 to 0.4
0 to 0.5