AWS BAg-21 vs. Grade 21 Titanium
AWS BAg-21 belongs to the otherwise unclassified metals classification, while grade 21 titanium belongs to the titanium alloys. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is AWS BAg-21 and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 85 | |
| 140 |
| Poisson's Ratio | 0.36 | |
| 0.32 |
| Shear Modulus, GPa | 31 | |
| 51 |
| Tensile Strength: Ultimate (UTS), MPa | 150 | |
| 890 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 410 |
| Melting Completion (Liquidus), °C | 800 | |
| 1740 |
| Melting Onset (Solidus), °C | 690 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 280 | |
| 500 |
| Thermal Expansion, µm/m-K | 19 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.8 | |
| 5.4 |
| Embodied Energy, MJ/kg | 970 | |
| 490 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 15 | |
| 32 |
| Strength to Weight: Axial, points | 4.2 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 6.4 | |
| 38 to 50 |
| Thermal Shock Resistance, points | 6.6 | |
| 66 to 100 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 27.5 to 29.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 | |
| 0 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Nickel (Ni), % | 2.0 to 3.0 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.17 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.25 |
| Silver (Ag), % | 62 to 64 | |
| 0 |
| Tin (Sn), % | 5.0 to 7.0 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 76 to 81.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |