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Home >
Ceramic Rings Tungsten Jewelry |
CERAMIC
RINGS AND TUNGSTEN JEWELRY
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Article about Ceramic and Tungsten Carbide Rings. Learn
about manufacturing!
Forever Metals uses 857 tungsten powder
Ceramic and Tungsten Carbide rings are made using the very same
processes.
Tungsten Carbide is commonly referred to as the
engagement band that is permanently polished. Tungsten
carbide is the most durable ring anybody can purchase. Tungsten
by itself could shatter when dropped and easily cracks due to
its unique hardness, so therefore requires carbide to prevent
shattering. On its own, tungsten is vulnerable to scratches and
damage just like any other metal, such as titanium and steel.
Tungsten does not gain its extreme hardness until it is combined
with a carbon alloy, transferring it into tungsten carbide (WC)
with a hardness between 8.5 and 9.5 on the Mohs hardness scale.
Tungsten carbide is four times harder than titanium, twice as
hard as steel, is virtually unscratchable, and has been widely
used for decades in industrial applications such as cutting
tools, mining machinery, and rocket engine nozzles.
The unique formula of our tungsten carbide
allows these rings to be both visually stunning and
durable enough for every-day use. You are no longer
required to constantly remove and replace your ring in order to
protect its finish. Our tungsten carbide rings are made
with the superior nickel-binder alloy instead of being
made from pure tungsten or with the cobalt-binder alloy.
Nickel-binder alloys are superior for several reasons:
* Nickel-binder tungsten carbide is hypoallergenic, chemically
inert and therefore will not oxidize, cause rashes, or irritate the skin.
* We do not use cobalt as it can have an adverse r
eaction with the wearer’s skin, sometimes causing a rash.
* Cobalt bonds with oils in the skin and leeches out of the
ring resulting in oxidation. The oxidation appears similar to
tarnished sliver, but cannot be removed by polishing or
grinding. Nickel, on the other hand, does not
bond with oil and therefore does not oxidize.
Many jewelers offer pure tungsten wedding bands
which lack the hardness of tungsten carbide and can scratch
quite easily. Some offer tungsten rings made with cobalt binder
because it is cheaper to produce than nickel-binder carbide. We
caution you against buying from a jeweler that doesn't specify
that their tungsten wedding bands are made with the nickel
binder alloy. Many stores don't list which alloy they are
selling because they don't know which alloy they are selling. If
they don't know, it is most likely cobalt alloy or pure tungsten
which are cheaper and inferior to the nickel binder tungsten
carbide wedding bands.
Forever Metals combines traditional precious metals with
tungsten carbide to create a unique piece of jewelry with a
style, polish, and texture that will last a lifetime.
We offer tungsten carbide wedding bands with precious metal
inlays of Sterling Silver, Platinum, Rose Gold, White Gold and
Yellow Gold. The tungsten carbide portion of the ring will
maintain its original polish and luster for life, while the
softer inlaid precious metals will eventually develop a textured
appearance over time, creating an attractive contrast against
the lasting polish of the tungsten carbide.
The Manufacturing Process
Tungsten rings are all individually hand
crafted. Each ring goes through a 30-stage precision grinding
process by craftspeople using diamond-embedded grinding tools
held in specially designed machinery. Tungsten, nickel, and
Carbide are ground into powders and then are compressed and
forged together with high-pressure dies and then is sintered
(fired) in an oxygen-free furnace at 2,400 degrees Fahrenheit
(carbon black, at 900 - 2200°C) in pusher or batch furnace
(process called carburization) to form rings blanks that are
indestructible and scratch proof. Each Tungsten ring is
individually hand crafted using assorted diamond abrasives and
poly crystalline diamond tooling (similar in many ways to the
cutting and polishing of a rough diamond). Each tungsten carbide
ring is cut and skillfully polished with a diamond compound
using diamond tools, resulting in a polish and shine creating a
permanent luster and polish not possible with other metals, that
will last forever.
Tungsten rings inlaid with gold, silver or
pladium are created by grinding a groove or a channel in the
center of the ring and precisely "swedging" the metal into the
channel under extreme pressure.
Tungsten is the perfect combination of unbelievable
strength with style and comfort. Tungsten carbide is
roughly 10 times harder than 18k gold, 5 times harder than tool
steel, and 4 times harder than titanium. Tungsten measures
between 8 and 9 on the Mohs hardness scale. (Diamonds are a 10 -
the highest.)
Forever Metals Composition
84% of tungsten and 16% of carbon and nickel. There is no
cobalt in the composition of our rings. Cobalt will develop a
negative reaction to your skin and will in a short time period
will develop oxidation spots that cannot be removed or polished
from your ring. This is due to the Cobalt reacting to the human
body.
Tungsten rings are composed of a metal alloy,
tungsten carbide. The alloy allows for maximum hardness and
rigidity without sacrificing tensile strength. Tungsten rings
are not sizable by ordinary jewelers' tools (the metal is too
hard). Tungsten rings will NOT bend. Due to their extreme
hardness, Tungsten Rings will hold their shape and shine longer
than any ring on the market, and which is why they are referred
to as the "Permanently Polished Rings". Tungsten Rings are the
most wear resistant rings available. Hardness, assuring long
lasting beauty. Permanently polished Tungsten rings take a
brilliant high polish and resist scratching longer than any
metal ever offered to the public.
Those who sell Tungsten rings (not Tungsten Carbide) have
mistaken their quality of composition. Tungsten requires
the carbide to make its hardness scratchproof. Ordinary
Tungsten rings not only shatter and crack, but they have a
tendency to scratch. If you're interested in a Tungsten ring
without the carbide composition, we offer a stainless steel ring
that has similar characteristics. Our Tungsten Carbide rings are
the only scratchproof ring, and they are primarily scratchproof
due to the carbide and nickel composition. The only way to place
a scratch on a tungsten carbide ring is to scratch it with a
diamond or a product containing the mineral corundum.
Event of an emergency
Tungsten carbide ring can be removed by a medical professional.
Rings made of extremely hard materials, like tungsten carbide or
ceramic, can only be removed by cracking them into pieces with
standard vice grip style locking pliers. Standard ring cutters
will not work. |
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TUNGSTEN WEDDING BAND FACTS |
TUNGSTEN RINGS CHARACTERISTICS |
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TUNGSTEN RING MANUFACTURING |
TUNGSTEN CARBIDE RINGS COMPARISON |
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TUNGSTEN RING HISTORY |
TUNGSTEN WEDDING RING CONSUMER & INDUSTRIAL USE |
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