Yes, rings can be made of iron.
While not as common as rings made from gold, silver, or steel, iron is indeed a material used in ring making. Often, you'll find iron rings incorporated into sets for exercise purposes or as components in industrial applications. Here's a breakdown:
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Exercise Rings: Sets of rings for gymnastic training often contain iron, sometimes coated with other materials for grip and comfort. The reference mentions rattan rings, but iron and steel are more common for strength.
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Industrial Applications: Iron rings can be utilized in various industrial settings due to iron's durability and strength.
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Fashion/Jewelry: Although less prevalent than other metals due to its tendency to rust, iron can be used to create unique and rustic-looking fashion rings. These may require special coatings or treatments to prevent corrosion.
It's important to note that "iron" can sometimes refer to different alloys containing iron, such as steel. For example, stainless steel rings are a popular and durable option.