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ASTM A228 Music Wire vs. 443.0 Aluminum

ASTM A228 music wire belongs to the iron alloys classification, while 443.0 aluminum belongs to the aluminum 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 ASTM A228 music wire and the bottom bar is 443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
41
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 12
5.6
Fatigue Strength, MPa 1280
55
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
27
Shear Strength, MPa 1470
96
Tensile Strength: Ultimate (UTS), MPa 2450
150
Tensile Strength: Yield (Proof), MPa 2050
65

Thermal Properties

Latent Heat of Fusion, J/g 250
470
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1410
580
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 49
150
Thermal Expansion, µm/m-K 12
22

Electrical Properties

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

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
8.0
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 45
1120

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
52
Strength to Weight: Axial, points 87
16
Strength to Weight: Bending, points 52
23
Thermal Diffusivity, mm2/s 13
61
Thermal Shock Resistance, points 79
6.9

Alloy Composition

Aluminum (Al), % 0
90.7 to 95.5
Carbon (C), % 0.7 to 1.0
0
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 98 to 99
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.2 to 0.6
0 to 0.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
4.5 to 6.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.35