Grade 21 Titanium vs. K93600 Alloy
Grade 21 titanium belongs to the titanium alloys classification, while K93600 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is grade 21 titanium and the bottom bar is K93600 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 140 |
| Elongation at Break, % | 9.0 to 17 | |
| 5.0 to 35 |
| Shear Strength, MPa | 550 to 790 | |
| 320 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1340 | |
| 480 to 810 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 280 to 750 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 310 | |
| 440 |
| Melting Onset (Solidus), °C | 1690 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 520 |
| Thermal Conductivity, W/m-K | 7.5 | |
| 13 |
| Thermal Expansion, µm/m-K | 7.1 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.4 | |
| 8.1 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 180 | |
| 21 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2760 to 5010 | |
| 280 to 2050 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 32 | |
| 21 |
| Strength to Weight: Axial, points | 46 to 69 | |
| 16 to 28 |
| Strength to Weight: Bending, points | 38 to 50 | |
| 17 to 24 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 3.1 |
| Thermal Shock Resistance, points | 66 to 100 | |
| 34 to 57 |