Tungsten Alloy Fastener

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Product Description

Model Number	Tungsten Screw
Density	17.1-18.5g/cm3

Size	Customized

Standard	ASTM B 777-07

Material	Tungsten or Tungsten Alloy

Lead Time	Depending on the order

Moq	1 kilogram

Features At A Glance

Tungsten Screw

* Very high density of 19.3 gm/cc
* Radiopaque to x-rays and other radiation
* High strength at extreme high temperatures (vacuum)
* Excellent corrosion resistance

Tungsten screws are known for their extreme high density; because of this unique attribute, they are often used for balancing

rotating parts. Tungsten’s high mass also makes these screws radiopaque. This allows tungsten screws to block radiation and show
up well on x-rays – even better than lead. Another unique attribute of tungsten is its extrmely high melting point of 3420°C. The
high temperature stability of tungsten screws make them ideal for some of the hottest vacuum furnace environments.Beyond their
high mass and temperature stability, tungsten fasteners are also very corrosion resistant.
Tungsten fasteners are usually made from tungsten alloys per ASTM B777, and range from 90% to 97% pure tungsten, alloyed with
nickel and copper or nickel and iron. Fasteners can also be made from Commercially Pure (CP) Tungsten.

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