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CC491K Bronze vs. C44400 Brass

Both CC491K bronze and C44400 brass are copper alloys. They have 78% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 260
350
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 980
940
Melting Onset (Solidus), °C 900
900
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 71
110
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
25
Electrical Conductivity: Equal Weight (Specific), % IACS 15
27

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 67
65
Stiffness to Weight: Axial, points 6.7
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
12
Strength to Weight: Bending, points 10
13
Thermal Diffusivity, mm2/s 22
35
Thermal Shock Resistance, points 9.3
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0.020 to 0.1
Copper (Cu), % 81 to 87
70 to 73
Iron (Fe), % 0 to 0.3
0 to 0.060
Lead (Pb), % 4.0 to 6.0
0 to 0.070
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0.9 to 1.2
Zinc (Zn), % 4.0 to 6.0
25.2 to 29.1
Residuals, % 0
0 to 0.4