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Grade 1 Titanium vs. ASTM A228 Music Wire

Grade 1 titanium belongs to the titanium 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.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
710
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
12
Fatigue Strength, MPa 170
1280
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
72
Shear Strength, MPa 200
1470
Tensile Strength: Ultimate (UTS), MPa 310
2450
Tensile Strength: Yield (Proof), MPa 220
2050

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
49
Thermal Expansion, µm/m-K 8.8
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
87
Strength to Weight: Bending, points 23
52
Thermal Diffusivity, mm2/s 8.2
13
Thermal Shock Resistance, points 24
79

Alloy Composition

Carbon (C), % 0 to 0.080
0.7 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
98 to 99
Manganese (Mn), % 0
0.2 to 0.6
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.1 to 0.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0