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| Molybdenum | Tungsten | Tatanlum | Niobium | Chromium |
| Hardness (20 ℃) | Kev ntxhov siab-relief annealed: ＞ 220 (HV10) recrystallized ＞ 160 - 180 [HV10] | Kev ntxhov siab-relief annealed: ＞460 (HV30) recrystallized ＞360 (HV30) | Deformed: 120-220 [HV10] recrystallized: 80-125 [HV10] | deformed: 110 - 180 [HV10] recrystallized: 60 - 110 [HV10] | 180-250 [HV10] |
| Modulus ntawm elasticity (20 ℃) | 320 [Gpa] | 405 [Gpa] | 186 [Gpa] | 104 [Gpa] | 294 TSI |
| Coefficient ntawm linear thermal expansion (20 ℃) | 5.2 · 10-6 [m/(m·K)] | 4.4 · 10-6 [m/(m·K)] | 6.4 · 10-6 [m/(m·K)] | 7.1 · 10-6 [m/(m·K)] | 6.2 · 10-6 [m/(m·K)] |
| Thermal conductivity (20 ℃) | 142 [W/(m·K)] | 164 [W/(m·K)] | 57.5 ib [W/(m·K)] | 53.7 ib [W/(m·K)] | 93.7 ua [W/(m·K)] |
| Cov cua kub tshwj xeeb (20 ℃) | 0.25 [J/(g·K)] | 0.13 [J/(g·K)] | 0.14 [J/(g·K)] | 0.27 ib [J/(g·K)] | 0,45 ib [J/(g·K)] |
| Hluav taws xob conductivity (20 ℃) | 17.9 · 106 [1/(Ω·m)] | 18.2 · 106 [1/(Ω·m)] | 8 · 106[1/(Ω·m)] | 7.1 · 106[1/(Ω·m)] | 7.9 · 106 [1/(Ω·m)] |
| Kev tiv thaiv hluav taws xob tshwj xeeb (20 ℃) | 0,056 ib [(Ω·mm2) / m] | 0.055 ib [(Ω·mm2) / m] | 0.125 Nws [(Ω·mm2)/] | 0.141 ib [(Ω·mm2) / m] | 0.127 ib [(Ω·mm2) / m] |
| Electron ua haujlwm | 4,39 [eV] | 4.54 [eV] | 4.3 [eV] | 4.3 [eV] | 4,5 [eV] |
| Recrystalization kub | 1100 ℃ | 1350 ℃ | 900-1450 ℃ | 850-1,300 ° C |
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Post lub sij hawm: Sep-29-2019