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ASTM A228 Music Wire vs. Nickel Beryllium 360

ASTM A228 music wire belongs to the iron alloys classification, while nickel beryllium 360 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is nickel beryllium 360.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
1.0 to 30
Fatigue Strength, MPa 1280
260 to 710
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
77
Shear Strength, MPa 1470
510 to 1100
Tensile Strength: Ultimate (UTS), MPa 2450
780 to 1860
Tensile Strength: Yield (Proof), MPa 2050
380 to 1590

Thermal Properties

Melting Completion (Liquidus), °C 1450
1330
Melting Onset (Solidus), °C 1410
1200
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 49
48
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
5.4

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.3

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
12 to 190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 87
26 to 62
Strength to Weight: Bending, points 52
23 to 41
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 79
19 to 46