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ASTM A228 Music Wire vs. AWS ENiCrMo-3

ASTM A228 music wire belongs to the iron alloys classification, while AWS ENiCrMo-3 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 2450
870

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 49
11
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
80
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
14
Embodied Energy, MJ/kg 19
190
Embodied Water, L/kg 45
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 87
28
Strength to Weight: Bending, points 52
24
Thermal Diffusivity, mm2/s 13
2.8
Thermal Shock Resistance, points 79
25

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98 to 99
0 to 7.0
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.3
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Residuals, % 0
0 to 0.5