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ASTM A228 Music Wire vs. 705.0 Aluminum

ASTM A228 music wire belongs to the iron alloys classification, while 705.0 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 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
62 to 65
Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 12
8.4 to 10
Fatigue Strength, MPa 1280
63 to 98
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 2450
240 to 260
Tensile Strength: Yield (Proof), MPa 2050
130

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
610
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 49
140
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
110

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.4
8.4
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 45
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
18 to 20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 87
24 to 26
Strength to Weight: Bending, points 52
31 to 32
Thermal Diffusivity, mm2/s 13
55
Thermal Shock Resistance, points 79
11

Alloy Composition

Aluminum (Al), % 0
92.3 to 98.6
Carbon (C), % 0.7 to 1.0
0
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 98 to 99
0 to 0.8
Magnesium (Mg), % 0
1.4 to 1.8
Manganese (Mn), % 0.2 to 0.6
0 to 0.6
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 3.3
Residuals, % 0
0 to 0.15