ASTM B817 Type I vs. Type 1 Magnetic Alloy
ASTM B817 type I belongs to the titanium alloys classification, while Type 1 magnetic alloy belongs to the iron alloys. There are 25 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 B817 type I and the bottom bar is Type 1 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 4.0 to 13 | |
| 4.0 to 38 |
| Poisson's Ratio | 0.32 | |
| 0.3 |
| Shear Modulus, GPa | 40 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 960 | |
| 500 to 830 |
| Tensile Strength: Yield (Proof), MPa | 700 to 860 | |
| 220 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Melting Completion (Liquidus), °C | 1600 | |
| 1420 |
| Melting Onset (Solidus), °C | 1550 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 460 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 31 |
| Density, g/cm3 | 4.4 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 5.6 |
| Embodied Energy, MJ/kg | 610 | |
| 77 |
| Embodied Water, L/kg | 200 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 120 | |
| 33 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2310 to 3540 | |
| 130 to 1690 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 35 | |
| 23 |
| Strength to Weight: Axial, points | 48 to 60 | |
| 17 to 28 |
| Strength to Weight: Bending, points | 42 to 49 | |
| 17 to 24 |
| Thermal Shock Resistance, points | 54 to 68 | |
| 16 to 26 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.8 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.050 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 50.7 to 56.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 | |
| 43.5 to 46.5 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.5 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 87 to 91 | |
| 0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |