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ASTM A228 Music Wire vs. Grade 23 Titanium

ASTM A228 music wire belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
6.7 to 11
Fatigue Strength, MPa 1280
470 to 500
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Shear Strength, MPa 1470
540 to 570
Tensile Strength: Ultimate (UTS), MPa 2450
930 to 940
Tensile Strength: Yield (Proof), MPa 2050
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
340
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 49
7.1
Thermal Expansion, µm/m-K 12
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 1.4
38
Embodied Energy, MJ/kg 19
610
Embodied Water, L/kg 45
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
61 to 100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 87
58 to 59
Strength to Weight: Bending, points 52
48
Thermal Diffusivity, mm2/s 13
2.9
Thermal Shock Resistance, points 79
67 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.7 to 1.0
0 to 0.080
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 98 to 99
0 to 0.25
Manganese (Mn), % 0.2 to 0.6
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4