טונגסטן

TUNGSTEN FACTS:

• Symbol: W
• Category: Transition Metal, Group VI
• Atomic Number: 74
• Density: 19.25 g / cm3
• Melting Point: 3420 °C, highest metal, 2nd highest of elements
• Discovered: 1781
• Low vapor pressure
• High electrical resistance
• Low coefficient of thermal expansion (CTE)
• High density
• Strong corrosion resistance
• High elastic modulus

Pure Metal

• ≥ 99.95% W, guaranteed
• 99.997% W, typically analyzed
• ≥ 99.9995% W, available

Alloys

• Lanthanated 1.0% & 1.5% La2O3
• Tungsten Heavy Alloys (W-Ni-Fe-Co)
• Potassium doped tungsten (WK)

TUNGSTEN POWDER
UB Grade: 3.2-4.2 Micron Average Particle Size (Fisher), -150 Mesh (Tyler)
UX Grade: 1.5-5.0 Micron Average Particle Size (Fisher), -150 Mesh (Tyler)

• 1.5 µm UX
• 3.0 µm UX
• 3.6 µm UX
• 5.0 µm UX

Standard Purity, 99.95% W
High Purity, 99.9995% W

TUNGSTEN SHEET
The tungsten sheet surface can be supplied in a shiny, matte, satin, or as-rolled condition; dependent upon thickness and width parameters.

TUNGSTEN PLATE PRODUCTS
Elmet produces Tungsten flat products in thicknesses from .025 to over 1 inch. Tungsten flat material from .025″ to .09″ inches in thickness is classified as sheet. Tungsten flat material from .1 and larger is classified as plate.

TUNGSTEN ROD

• All Rod Products are made from 99.95% pure tungsten pressed, sintered and swaged material
• Made in the USA and the only fully integrated US manufacturer of pure tungsten and molybdenum rod
• Designed to exceed ASTM F288 specifications
• ISO 9001 and AS9100C certified manufacturing process