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ASTM A228 Music Wire vs. A384.0 Aluminum

ASTM A228 music wire belongs to the iron alloys classification, while A384.0 aluminum belongs to the aluminum alloys. There are 29 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 ASTM A228 music wire and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
74
Elongation at Break, % 12
2.5
Fatigue Strength, MPa 1280
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
28
Shear Strength, MPa 1470
200
Tensile Strength: Ultimate (UTS), MPa 2450
330
Tensile Strength: Yield (Proof), MPa 2050
170

Thermal Properties

Latent Heat of Fusion, J/g 250
550
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1450
610
Melting Onset (Solidus), °C 1410
510
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 49
96
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
73

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.4
7.5
Embodied Energy, MJ/kg 19
140
Embodied Water, L/kg 45
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
6.9
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 87
32
Strength to Weight: Bending, points 52
38
Thermal Diffusivity, mm2/s 13
39
Thermal Shock Resistance, points 79
15

Alloy Composition

Aluminum (Al), % 0
79.3 to 86.5
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
3.0 to 4.5
Iron (Fe), % 98 to 99
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.2 to 0.6
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
10.5 to 12
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5