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712.0 Aluminum vs. ASTM A228 Music Wire

712.0 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 712.0 aluminum and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
710
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.5 to 4.7
12
Fatigue Strength, MPa 140 to 180
1280
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
72
Shear Strength, MPa 180
1470
Tensile Strength: Ultimate (UTS), MPa 250 to 260
2450
Tensile Strength: Yield (Proof), MPa 180 to 200
2050

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 610
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 160
49
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
87
Strength to Weight: Bending, points 30 to 31
52
Thermal Diffusivity, mm2/s 62
13
Thermal Shock Resistance, points 11
79

Alloy Composition

Aluminum (Al), % 90.7 to 94
0
Carbon (C), % 0
0.7 to 1.0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.5
98 to 99
Magnesium (Mg), % 0.5 to 0.65
0
Manganese (Mn), % 0 to 0.1
0.2 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.3
0.1 to 0.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.15 to 0.25
0
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0 to 0.2
0