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B443.0 Aluminum vs. ASTM A228 Music Wire

B443.0 aluminum belongs to the aluminum alloys classification, while ASTM A228 music wire belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is B443.0 aluminum and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 43
710
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.9
12
Fatigue Strength, MPa 55
1280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 110
1470
Tensile Strength: Ultimate (UTS), MPa 150
2450
Tensile Strength: Yield (Proof), MPa 50
2050

Thermal Properties

Latent Heat of Fusion, J/g 470
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 620
1450
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 150
49
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
280
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 15
87
Strength to Weight: Bending, points 23
52
Thermal Diffusivity, mm2/s 61
13
Thermal Shock Resistance, points 6.8
79

Alloy Composition

Aluminum (Al), % 91.9 to 95.5
0
Carbon (C), % 0
0.7 to 1.0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.8
98 to 99
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0.2 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 4.5 to 6.0
0.1 to 0.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0