That’s why doctors recommend avoiding rings made of hard alloys.ĬoCr alloy obtained popularity in the dental industry at the beginning of the 20th century because of low costs and lower density in comparison to gold alloys. Specialists can spend up to ten minutes for that. But it takes much more time for cutting super solid alloys like cobalt-chrome. Some of the modern diamond-tipped saws are capable to remove stainless steel and titanium bands relatively easy. Usually, hospitals use special equipment to cut off a similar type of bands made of soft precious metals such as silver, gold, or platinum. Imagine if you get some sort of trauma that causes swelling to your fingers and you need to remove all the jewelry from those areas as quickly as possible. Rings and wedding bands made of cobalt-chrome can be dangerous in an emergency situation. In spite of all those benefits experts do not recommend using cobalt-chrome for making jewelry. The price for such rings is affordable comparing to regular materials like platinum or gold. That’s why CoCr alloy has become a quite popular material for jewelry, especially wedding bands. At the same time, it has appealing white color and shine that resembles precious metals like white gold or platinum. It had been already noted that cobalt-chrome alloy has amazing strength, it is very hard to break, bend, deform or even scratch. This alloy is used for manufacturing wind turbines, cutting tools, jet engine components and other mechanical parts where high wear-resistance is required. CoCr also has excellent mechanical properties including increased hardness and tensile strength. Due to its biocompatibility, wear-resistance and chemical inertness, it's widely applied in medicine and dentistry. We offer a free lifetime sizing policy so if you need a new size, please let us know and we shall take care of it for you.Cobalt-chrome alloys possess incredibly high corrosion resistance thanks to the formation of a passive film composed of mostly Cr2O3 together with small amounts of cobalt and other metal oxides on the surface that protects the primary material. Yes - most jewelers can not resize cobalt chrome rings. You cobalt chrome rings will not shatter, crack or chip as well.Ĭan cobalt chrome wedding bands be resized? This allows the metal to be highly durable and scratch resistant. On the MOHs scale for hardness, it is rated as a 7. This allows it to be hypoallergenic and maintenance free. No - cobalt chrome is inert and will not tarnish, fade or rust. Will cobalt chrome bands tarnish, fade or rust? Tungsten and titanium are gun metal gray whereas cobalt chrome is a white metal like white gold and platinum. In terms of color, cobalt chrome is very different. In terms of weight, tungsten is the heaviest titanium is highly light weight whereas cobalt lands in the middle with a weight similar to gold. In terms of scratch resistance, both tungsten carbide and cobalt chrome are highly durable and scratch resistant. How does cobalt chrome compare with tungsten and titanium? It is commonly used in medical implants, such as hip and knee replacements, because it is so biocompatible. This metal is completely hypoallergenic and should not cause and skin irritations. Yes - cobalt chrome is considered biocompatible and inert. I am allergic to most jewelry, can I wear cobalt chrome? Cobalt chrome does not require re-plating and is maintenance free. White gold contains a rhodium plating that must be maintained. Will I ever need to re-plate my cobalt chrome band? Do not use harsh chemicals such as bleach or ammonia to cleanse your ring. Special care must be taken for any ring with a precious metal inlay, specifically sterling silver, as chlorine may tarnish precious metals. You may soak your cobalt band for half an hour or an hour to loosen any dirt that may have caked into any grooves. You may use warm water and gentle soap to clean your cobalt chrome band. We offer a free lifetime warranty to replace your ring in this event. Yes - standard ring cutters may clip a cobalt chrome ring right off of your finger. In the event of an emergency, can you remove a cobalt ring? We suggest laser engraving because it offers a bolder appearance on the ring. Traditional engraving is also available upon request. Yes - We offer laser engraving services for up to 30 characters for $30 to engrave your cobalt wedding bands.
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