Metal beds are just that, beds that are manufactured of different types of metals. There are a variety of types of metals used in these beds such as iron, steel, satin-nickel and aluminum castings. There are innumerable finishes that you can choose from to have on your metal bed. Metal beds can be very ornate, but others are very simple in their style. Many metal beds contain special ornamentation called finial caps or globes at the top of the bedposts. The headboards and footboards often feature scrolling designs and detail work to accommodate a wide range of personal decorative tastes.
You can also find a wide variety of beds that are a beautiful mixture of metal and wood, bringing out the best of both materials.
You need to compare the quality of different brands, as some will be higher quality than others. But in general, metal beds are durable and lasting pieces of furniture.