Molybdenum TZM’s unique physical and mechanical properties makes it a good choice for applications where extra strength is needed at high temperatures. To assist you in your selection of this alloy, the tables below provide the physical and mechanical properties of TZM, as well as the chemistry and specifications.
For a Molybdenum TZM data sheet, or any other Refractory Metals & Alloys data sheets, please go to our Alloys and Metals Literature Library section.
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Molybdenum TZM Typical Physical Properties | ||
|---|---|---|
| Density | lb/in3 | 0.37 |
| g/cm3 | 10.22 | |
| Melting Point | °F | 4753 |
| °C | 2623 | |
| Electrical Resistivity | Microhm-cm | 6.85 |
| Thermal Conductivity @20°C | Cal/cm2/cm°C/sec | 0.48 |
| Specific Heat | Cal/gm/°C | 0.073 |
| Recrystallization Temp | °C | 1400 |
| Coefficient of Linear Thermal Expansion | Micro-in/°F x 10-6 | 2.50 |
| Micro-in/°C x 10-6 | 5.20 | |
| Source: MatWeb, Plansee | ||
Molybdenum TZM Typical Mechanical Properties - Plate + Sheet |
||||
|---|---|---|---|---|
| Form | Sheet Thickness in. (mm) | Tensile Strength min, ksi (MPa) | Yield Strength 0.2 % Offset, min. ksi (MPa) | Elongation 2" (50 mm), min. % |
| Plate | ||||
| 0.187" to 0.500" (4.750 to 12.700) | 120 (830) | 100 (690) | 10 | |
| 0.500" to 1.000" (12.700 to 25.400) | 110 (760) | 95 (660) | 10 | |
| Sheet | ||||
| 0.025" to 0.060" (0.635 to 1.524) | 120 (830) | 100 (690) | 7 | |
| 0.060" to 0.090" (1.524 to 2.286) | 120 (830) | 100 (690) | 9 | |
| 0.090" to 0.187" (2.286 to 4.750) | 120 (830) | 100 (690) | 10 | |
| Source: ASTM B386 Type 364 (Plate, Sheet), Table 3 Stress Relief; When tested between 65° and 85 °F (18° and 29 °C) | ||||
Molybdenum TZM Mechanical Properties - Bar + Rod |
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|---|---|---|---|---|
| Diameter, in. (mm) | Tensile Strength, min. ksi (MPa) | Yield Strength, 0.2 % Offset, min. ksi (MPa) | Elongation in 1" (50 mm) % | Hardness (DPH), -10 kg, Vickers-10 kg |
| 0.188" to 0.875" (4.76 to 22.2) | 115 (790) | 100 (690) | 18 | 260 - 320 |
| 0.875" to 1.125" (22.2 to 28.6) | 110 (760) | 95 (655) | 15 | 250 - 310 |
| 1.125" to 1.875" (28.6 to 47.6) | 100 (690) | 85 (585) | 10 | 245 - 300 |
| Source: ASTM B387 Type 364 (Bar, Rod), Table 3 Stress Relief | ||||
Molybdenum TZM Chemistry | |
|---|---|
| Molybdenum (Mo) | Balance |
| Titanium (Ti) | 0.40 - 0.55 |
| Zirconium (Zr) | 0.06 - 0.12 |
| Carbon (C) | 0.01 - 0.04 |
| Source: ASTM B386 ASTM B387 Type 364, Table 1 | |
Molybdenum TZM Specifications |
||
|---|---|---|
| ASTM B386 Type 364 (Sheet + Plate) | ASTM B387 Type 364 (Round Bar) | UNS R03640 |
For additional information on specifications of the materials distributed by EFINEA, please visit the websites of the international organizations that develop and publish technical standards: ASTM International and ASM International.
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