TECHNICAL DATA
TUNGSTEN
technical data ⟶
TUNGSTEN, technical data
Tungsten makes a cemented tungsten carbide and in metallurgy, tungsten is used as alloying element, which increases steel’s strength, scrub and mechanical resistance. We provide tungsten and tungsten alloy products of any sizes and classes. Interested in obtaining more information? Visit our tungsten page.
Characteristics
| TUNGSTEN technical data | |||||||
| Chemical properties: | |||||||
| Atomic number: 74 Atomic mass: 183.84 Melting temperature: 3422°C (3695 K or 6192°F) Boiling point: 5555°C (5828 K or 10.031°F) Phase in a room temperature: solid Classification: Metal Period: 6 Group: 6 |
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| Physical properties: | |||||||
| Density: 19.3g/cm3 Purity: 99.95 min Melting temperature: 3422°C Boiling temperature: 5555°C Hardness [HV]: 310 Electrical conductivity: 31% IACS Resistance to stretching: 100-500 (room temperature) 100-300 (500°C) psi 50-75 (1000°C) psi Elongation: 59%(room temperature) Elastic modulus: 55 psi (500°C) 50 psi (1000°C) Thermal conductivity: 0,397 Cal/cm2/cm °C/s Thermal conductivity ratio: 4,3 x10-6°C |
Heavy alloys
| PROPERTIES | |||||||
| W90% Ni6% Cu4% |
W90% Ni7% Fe3% |
W92.5% Ni5.25% Fe2.25% |
W95% Ni3.5% Cu1.5% |
W95% Ni3.5% Fe1.5% |
W97% Ni2.1% Fe0.9% |
W93% MoNiFe |
|
| Class | 1 | 1 | 2 | 3 | 4 | 2 | |
| Density g/cm3 | 17.1 | 17.1 | 17.5 | 18 | 18 | 18.5 | 17.7 |
| Hardness HRC | 24 | 25 | 26 | 27 | 27 | 28 | 32 |
| Tensile strength [ksi] | 110 | 120 | 114 | 110 | 120 | 123 | 125 |
| Yield strength [ksi] | 80 | 88 | 84 | 85 | 90 | 85 | 95 |
| Elongation % | 6 | 10 | 7 | 7 | 7 | 5 | 4 |
| PSI | 45 | 52 | 46 | 45 | 44 | 45 | 60 |
| Elastic modulus (x106psi) |
40 | 45 | 47 | 45 | 50 | 53 | 53 |
| Ratio of thermal expansion x10-6/0C (20-400°C) | 5.4 | 4.61 | 4.62 | 4.33 | 4.6 | 4.5 | 4.5 |
| Thermal conductivity (CGS) | 0.23 | 0.18 | 0.2 | 0.33 | 0.26 | 0.3 | 0.27 |
| Electrical conductivity (% IACS) |
14 | 10 | 13 | 16 | 13 | 17 | 13 |
| Magnetism | none | slight | slight | none | slight | slight | slight |
Sintered tungsten-copper alloy
| PROPERTIES | |||||
| Class A W50Cu50 |
Class B W60Cu40 |
Class C W70Cu30 |
Class D W75Cu25 |
Class E W80Cu20 |
|
| Copper content (Cu) | 48-52< | 36-42 | 28-32 | 23-27 | 18-22 |
| Tungsten content (W) | reszta | reszta | reszta | reszta | reszta |
| Hardness HRB | 69-83 | 77-90 | 85-98 | 89-102 | 94-106 |
| Density (g/cm3) | 11.7 | 12.7 | 13.7 | 14.3 | 15.0 |
| Resistance to stretching (MPa) | 344-413 | 379-448 | 516-585 | 585-654 | 620-689 |
| Tensile strength (MPa) | 517-586 | 758-827 | 896-965 | 965-1034 | 1034-1103 |
| Electrical conductivity %IACS | 38-64 | 34-57 | 29-52 | 27-48 | 25-45 |
| Thermal expansion ratio [m/m°K] | 13×10-6 | 11.9×10-6 | 10.3×10-6 | 9.5×10-6 | 8.8×10-6 |
