When it comes to men\’s rings, long lasting, durable and maintenance free tungsten rings are the clear choice. Second only to diamonds in hardness, tungsten rings are cut and polished using the same tools reserved for the hardest precious stones.
Tungsten rings are composed of a metal alloy, tungsten carbide. The alloy allows for maximum hardness and rigidity without sacrificing tensile strength. Each tungsten carbide ring is cut and polished with diamond tools. Tungsten rings are not sizable by ordinary jewelers\’ tools, the metal is to hard. Most tungsten metal powder is converted to tungsten carbide (WC) by reaction with pure carbon powder, e.g. carbon black, at 900 – 2200C in pusher or batch furnaces, a process called carburization.
Tungsten carbide Rings are not made of pure tungsten ore. Instead, the tungsten ore is mixed with various binders (materials) – such as nickel and sinter – at high temperatures to create a ceramic (tungsten carbide). Not every tungsten ring advertised is tungsten carbide. There are manufacturers making rings out of tungsten alloy, a soft, non-sintered metal that is easier to process and manufacture. These alloys lack the hardness needed to create a highly polished and scratch-resistant surface.
Believe it or not, it is possible for a tungsten carbide blend to be too hard, resulting in a ring that can be fragile. With the wrong blend, a tungsten carbide ring will be brittle, and may break or shatter when dropped on hard surfaces.
Tungsten Carbide is a pretty amazing material. It is well known for its density and durability, and is used for many industrial applications – as well as for rings. Its rare and unique qualities is what allows it to be the perfect durable, beautiful substitute for gold, platinum and silver in jewelry.
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