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ASTM A228 Music Wire vs. Monel 400

ASTM A228 music wire belongs to the iron alloys classification, while Monel 400 belongs to the nickel 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 Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 12
20 to 40
Fatigue Strength, MPa 1280
230 to 290
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
62
Shear Strength, MPa 1470
370 to 490
Tensile Strength: Ultimate (UTS), MPa 2450
540 to 780
Tensile Strength: Yield (Proof), MPa 2050
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1410
1300
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 49
23
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
50
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
7.9
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 45
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
140 to 180
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 87
17 to 25
Strength to Weight: Bending, points 52
17 to 21
Thermal Diffusivity, mm2/s 13
6.1
Thermal Shock Resistance, points 79
17 to 25

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.3
Copper (Cu), % 0
28 to 34
Iron (Fe), % 98 to 99
0 to 2.5
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Nickel (Ni), % 0
63 to 72
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.024