How Tungsten Carbide Rings Are Made: From Mining to Masterpiece

Tungsten carbide rings have become increasingly popular in recent years, especially as wedding bands and durable fashion accessories. Known for their extreme hardness and high resistance to scratching, these rings are not only practical but also versatile. But how are these remarkably tough rings made? Let's cover it.

The History and Mining of Tungsten

Tungsten, derived from the Swedish words "tung sten," meaning "heavy stone," was first discovered in the 18th century. However, its potential in metalworking wasn't realized until the 20th century. Tungsten's principal ore is wolframite, which is mined in several countries across the world, including China, Russia, Portugal, and Bolivia.


making tungsten carbide


The extraction process involves crushing the ore and then enriching the concentrates using various methods like gravity, magnetic, flotation, and electrostatic separation. The goal is to isolate the tungsten in its purest form, which is then converted into tungsten oxide or other chemical derivatives.

From Tungsten to Tungsten Carbide

To transform raw tungsten into a material suitable for jewelry, it must first be converted into tungsten carbide, a chemical compound containing equal parts tungsten and carbon atoms. This transformation occurs through a process known as carburization, which involves heating tungsten powder with carbon at temperatures as high as 2,500°C. The result is tungsten carbide powder, which is extremely hard—about twice as hard as steel.

The Ring-Making Process

making tungsten rings

Step 1: Mixing with a Binder

Tungsten carbide by itself is a powder. To form solid objects like rings, the powder is mixed with a binder material, typically cobalt or nickel, which makes up about 10-20% of the final mixture. The choice of binder affects the ring's properties, such as its hardness and ductility.  Our rings at Peacefield Titanium and nickel based.

Step 2: Pressing and Sintering

The mixture of tungsten carbide and binder is then pressed into a desired ring shape using high-pressure molds. Following molding, the rings undergo a process called sintering, where they are heated to temperatures below the melting point of tungsten. This heat causes the binder to liquefy, cementing the tungsten carbide particles together in a solid form.

Step 3: Finishing Touches

finished tungsten carbide ring with antler and wood inlay

After sintering, the rings are still rough and require detailed finishing. This includes grinding and polishing, which transform the rings from rough blanks into beautifully polished bands. Advanced techniques, such as laser engraving, are often used to add personalized elements or intricate designs to the rings.

Why Choose Tungsten Carbide Rings?

Tungsten carbide rings offer several benefits over traditional metal jewelry:

  • Durability: They are highly resistant to scratching and maintain their polish for decades.
  • Weight: Tungsten rings are heavier than other metals, giving them a substantial feel.
  • Hypoallergenic Properties: For most people, tungsten carbide rings are hypoallergenic even with the use of a nickle binder. The manufacturing process locks up the nickle atoms so tightly they are not free to cause allergic reactions.


Your Ring, Your Story

At Peacefield Titanium, we believe that a ring should be as unique as the person wearing it. That's why we're committed to creating custom pieces that are not just jewelry but personal symbols crafted with care. Whether it's your wedding day or just another day at the office, a tungsten carbide ring from Peacefield is more than up to the challenge.

Over the years, I’ve had the privilege of transforming countless pieces of tungsten into symbols of love and commitment. It's more than just business—it's about crafting pieces that carry your stories and last through the decades.

Ready to Find Your Ring?

Dive into our collection today and discover the perfect blend of strength, style, and personalization with Peacefield Titanium’s tungsten carbide rings. Each ring isn’t just made; it’s crafted with passion, precision, and a deep respect for the material and the stories they'll tell.

Thanks for stopping by! If you’re curious or ready to start your custom ring journey, just give us a shout. We’re here to make sure your ring is everything you’ve ever wanted and more.

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