ASTM A228 Music Wire vs. AWS ENiCu-7
ASTM A228 music wire belongs to the iron alloys classification, while AWS ENiCu-7 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 ENiCu-7.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
160 |
Elongation at Break, % | 12 | |
34 |
Poisson's Ratio | 0.29 | |
0.32 |
Shear Modulus, GPa | 72 | |
62 |
Tensile Strength: Ultimate (UTS), MPa | 2450 | |
550 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
280 |
Melting Completion (Liquidus), °C | 1450 | |
1270 |
Melting Onset (Solidus), °C | 1410 | |
1230 |
Specific Heat Capacity, J/kg-K | 470 | |
430 |
Thermal Conductivity, W/m-K | 49 | |
21 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
3.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
3.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
50 |
Density, g/cm3 | 7.8 | |
8.7 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
8.0 |
Embodied Energy, MJ/kg | 19 | |
110 |
Embodied Water, L/kg | 45 | |
250 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
10 |
Stiffness to Weight: Bending, points | 24 | |
21 |
Strength to Weight: Axial, points | 87 | |
17 |
Strength to Weight: Bending, points | 52 | |
17 |
Thermal Diffusivity, mm2/s | 13 | |
5.5 |
Thermal Shock Resistance, points | 79 | |
18 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.75 |
Carbon (C), % | 0.7 to 1.0 | |
0 to 0.1 |
Copper (Cu), % | 0 | |
20.6 to 38 |
Iron (Fe), % | 98 to 99 | |
0 to 2.5 |
Manganese (Mn), % | 0.2 to 0.6 | |
0 to 4.0 |
Nickel (Ni), % | 0 | |
62 to 69 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.020 |
Silicon (Si), % | 0.1 to 0.3 | |
0 to 1.5 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.015 |
Titanium (Ti), % | 0 | |
0 to 1.0 |
Residuals, % | 0 | |
0 to 0.5 |