AWS BNi-8 vs. ASTM A228 Music Wire
AWS BNi-8 belongs to the nickel alloys classification, while ASTM A228 music wire belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is AWS BNi-8 and the bottom bar is ASTM A228 music wire.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 180 | |
190 |
Poisson's Ratio | 0.32 | |
0.29 |
Shear Modulus, GPa | 67 | |
72 |
Tensile Strength: Ultimate (UTS), MPa | 570 | |
2450 |
Thermal Properties
Latent Heat of Fusion, J/g | 390 | |
250 |
Melting Completion (Liquidus), °C | 1010 | |
1450 |
Melting Onset (Solidus), °C | 980 | |
1410 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Expansion, µm/m-K | 13 | |
12 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 46 | |
1.8 |
Density, g/cm3 | 7.9 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 8.2 | |
1.4 |
Embodied Energy, MJ/kg | 120 | |
19 |
Embodied Water, L/kg | 220 | |
45 |
Common Calculations
Stiffness to Weight: Axial, points | 12 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 20 | |
87 |
Strength to Weight: Bending, points | 19 | |
52 |
Thermal Shock Resistance, points | 17 | |
79 |
Alloy Composition
Aluminum (Al), % | 0 to 0.050 | |
0 |
Carbon (C), % | 0 to 0.060 | |
0.7 to 1.0 |
Cobalt (Co), % | 0 to 0.1 | |
0 |
Copper (Cu), % | 4.0 to 5.0 | |
0 |
Iron (Fe), % | 0 | |
98 to 99 |
Manganese (Mn), % | 21.5 to 24.5 | |
0.2 to 0.6 |
Nickel (Ni), % | 61.6 to 68.5 | |
0 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.025 |
Selenium (Se), % | 0 to 0.0050 | |
0 |
Silicon (Si), % | 6.0 to 8.0 | |
0.1 to 0.3 |
Sulfur (S), % | 0 to 0.020 | |
0 to 0.030 |
Titanium (Ti), % | 0 to 0.050 | |
0 |
Zirconium (Zr), % | 0 to 0.050 | |
0 |
Residuals, % | 0 to 0.5 | |
0 |