Tungsten Bar and Rod

Delivering high-quality tungsten bars and rods for industrial, scientific, and engineering applications is the speciality of Neil Metals, a reputable manufacturer and supplier in Kolkata, India. Neil Metals, renowned for their meticulous production and adherence to global standards, guarantees that every tungsten product satisfies stringent operating requirements. Their tungsten rods and bars are made to be exceptionally corrosion-resistant, thermally stable, and hard. Industries including aerospace, defence, electronics, and metallurgy have come to trust Neil Metals because of its performance, consistency, and dependability in meeting customer needs in both Indian and international markets.

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Tungsten Round Bars

Tungsten Rectangular Bars

Tungsten Square Rods

What is Tungsten Bar and Rod?

The main component of tungsten bars and rods, which have remarkable qualities, is 99.95% to 99.99% pure tungsten. They have a high density (~19.3 g/cm³), a tensile strength above 900 MPa, and an exceptionally high melting point (~3422°C). Tungsten exhibits good wear resistance, minimal thermal expansion, and mechanical stability at high temperatures. It is perfect for harsh environments because of its exceptional corrosion resistance and high modulus of elasticity. The material may also display different grain structures for particular strength or ductility requirements, depending on whether it is sintered or forged.

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Tungsten Bar and Rod Specification

Standards :	ASTM F288 / ASME SF288
Thickness :	Range from .008″ to .0125″
Hardness :	Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Form :	Round Bar, Wire
Tungsten Grades	HA 190 / HA 1925 / HA 195 / HE 390 / HE 3925 / HE 395 / HE 397

Chemical Compositions of Tungsten Bar

Element	R05255 (Ta10W) (%,Max)	R05252 (Ta2.5W) (%,Max)
C	0.01	0.01
O	0.015	0.015
N	0.01	0.01
H	0.0015	0.0015
Fe	0.01	0.01
Mo	0.02	0.02
Nb	0.1	0.5
Ni	0.01	0.01
Si	0.005	0.005
Ti	0.01	0.01
W	9.0–11.0	2.0–3.5

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Tungsten Bar and Rod Types

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Frequently Asked Questions (FAQ)

Are Tungsten Rod Susceptible To Galvanic Corrosion?

Tungsten rods are not highly susceptible to galvanic corrosion because they are highly resistant to corrosion in most environments. However, if paired with more reactive metals, galvanic corrosion may occur.

Can Tungsten Bar Be Welded?

Yes, Tungsten bars can be welded using specific techniques such as TIG (Tungsten Inert Gas) welding. However, proper preparation and high heat are required due to Tungsten's high melting point.

How Do I Maintain Tungsten Rod?

Maintain tungsten rods by storing them in a dry, clean area to prevent oxidation. Avoid bending or exposing them to extreme heat. Regularly inspect for damage and handle with care.

Tungsten Bar and Rod Uses

The aerospace and defence industries make extensive use of tungsten bars and rods for high-temperature structural components, kinetic energy penetrators, and counterweights. They are used in the electronics industry to manufacture heat sinks, filaments, and electrical contacts. Radiation shielding and parts for oncology equipment are examples of medical applications. Tungsten rods are used in high-temperature furnaces and electrode manufacturing in the metallurgy sector. They are appropriate for mining and drilling tools due to their robustness and resistance to wear. Tungsten is also essential in nuclear technology and semiconductor manufacturing processes because of its unparalleled mechanical and thermal qualities.

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