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ASTM A228 Music Wire vs. 5056 Aluminum

ASTM A228 music wire belongs to the iron alloys classification, while 5056 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 ASTM A228 music wire and the bottom bar is 5056 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
67
Elongation at Break, % 12
4.9 to 31
Fatigue Strength, MPa 1280
140 to 200
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
25
Shear Strength, MPa 1470
170 to 240
Tensile Strength: Ultimate (UTS), MPa 2450
290 to 460
Tensile Strength: Yield (Proof), MPa 2050
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
570
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 49
130
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
29
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
99

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
9.0
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 45
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
12 to 140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 87
30 to 48
Strength to Weight: Bending, points 52
36 to 50
Thermal Diffusivity, mm2/s 13
53
Thermal Shock Resistance, points 79
13 to 20

Alloy Composition

Aluminum (Al), % 0
93 to 95.4
Carbon (C), % 0.7 to 1.0
0
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 98 to 99
0 to 0.4
Magnesium (Mg), % 0
4.5 to 5.6
Manganese (Mn), % 0.2 to 0.6
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0 to 0.3
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15