Why Choose a Metal Urn? Metals, Finishes and Who It Suits

People usually come to a metal urn for one of three reasons. The urn will be kept outside, or it needs to last for many years without much looking after, or the family simply likes the look of steel or brass. All three are good reasons.

This guide goes through the metals used in our metal urns for ashes, what each one is like to live with, and where it can be kept. It also says plainly when a different material would serve you better.

What a metal urn does well

Metal does not shatter. It can be scratched or dented if it is treated roughly, but a knock that would break a ceramic urn will not break a steel one. That matters in a busy home, and it matters more outdoors.

Metal urns also close firmly. Depending on the design, the lid screws on with a thread, the base is fastened with screws, or the lid fits securely and can be sealed for good with a little clear adhesive if the family wishes.

The third reason is choice. Metal can be brushed to a soft silver, painted an even matte black, left to form a warm rust-colored surface, or polished to a bright gold. Metal urns range from a tall modern sculpture to a small heart that sits in the palm of a hand.

Which metal? The four metals and what each is like

The urns in this guide are made from four metals: stainless steel, Corten steel, brass and aluminum. Matte black is not a fifth metal. It is stainless steel with a painted finish, and it has its own section below because it looks so different.

Stainless steel

Stainless steel is the bright, silver-colored metal most people picture first. The chromium in the steel is what keeps it from rusting. Team Stainless, a group of industry bodies that includes the World Stainless Association, explains that "Stainless steels are a family of alloys of Iron with a minimum of 10.5% Chromium," and that the chromium forms a thin surface layer of oxide that prevents further corrosion (Team Stainless, published October 1, 2024, read October 5, 2026).

The Drop Adult Urn in Stainless Steel shows the material well. It is a tall, smooth shape based on a raindrop, 33 cm (12.99 in) high, in brushed stainless steel with a soft silver sheen. Its product page describes it as marine grade stainless steel, suitable for indoor or outdoor display. It holds 3.5 liters (about 216 cubic inches) and weighs 1.8 kg (3.97 lb) empty, far less than the Lotus or the Tree of Life described below.

Pictured: Drop Adult Cremation Urn for Ashes in Stainless Steel

Not all stainless steel is the same grade. The Beaumont Stainless Steel Adult Urn in Silver is made from 304 stainless steel. Its page says it is suitable for outdoor use but is not recommended near seawater or in coastal areas, where the risk of corrosion is higher. If you live by the sea, check the grade before you choose. Our guide to stainless steel cremation urns looks at more designs.

Matte black stainless steel

This is a finish rather than a different metal: the same stainless steel underneath, painted a deep, even black that does not reflect light. A black finish shows the outline of a design more than its surface, so it suits shapes with a strong silhouette.

The Lotus Adult Urn in Matte Black Stainless Steel is a good example. It opens outward in layered sections like the petals of a lotus flower. It holds 3.5 liters (about 214 cubic inches), stands 30 cm (11.81 in) high and 33 cm (12.99 in) wide and deep, and weighs 4.5 kg (9.9 lb) empty. Its page lists it as suitable for a garden or outdoor setting as well as indoors.

Pictured: Lotus Adult Cremation Urn for Ashes in Matte Black Stainless Steel

Corten steel

Corten is a weathering steel. Instead of being protected by paint, it forms its own rust-colored surface, and that surface is the finish. SteelConstruction.info, a reference site for UK steel construction, describes weathering steel as a steel "originally developed by United States Steel in the 1930s" and given the trade name Cor-ten, and says that in suitable environments it forms an adherent protective rust patina that inhibits further corrosion (SteelConstruction.info, Weathering steel, read October 5, 2026).

The same source notes that the patina needs alternate wet and dry spells to form, and that the steel corrodes much as ordinary steel does where it stays continuously wet or damp. For an urn, that points to a spot that dries out between showers rather than one that sits in standing water.

Corten suits people who want an urn to look as if it belongs in a garden. The color is warm and earthy, it differs a little from piece to piece, and it deepens with age, more so outside. The Tree of Life Adult Urn in Corten Steel is a standing oval ring with a branching tree cut through it. It holds 3.5 liters (about 214 cubic inches), stands 36 cm (14.17 in) high and weighs 6.5 kg (14.3 lb) empty. The Equilibrium Adult Urn in Corten Steel, shown at the top of this guide, is a curved ramp of the same rust-colored steel with a sphere resting on it.

Pictured: Tree of Life Adult Cremation Urn for Ashes in Corten Steel

Brass and aluminum

The Classic Metal Adult Urn in Brushed Silver is the traditional vase shape many people think of when they hear the word urn. Its page says it is "produced using durable materials such as brass and aluminum." It has a brushed silver finish, engraved bands at the top and base, and a threaded lid that screws on. It holds 3.2 liters (about 195 cubic inches), stands 27 cm (10.63 in) high and weighs 1.4 kg (3.09 lb) empty. Its page describes it as designed for display in the home, so this is not one for the garden.

Pictured: Classic Metal Adult Cremation Urn for Ashes in Brushed Silver

Brass is also the metal of a very small keepsake, for families who are sharing the ashes or keeping a little after scattering. The Heart Keepsake Urn in Glossy Gold Metal is a brass heart 7.5 cm (2.95 in) wide that holds 0.08 liters (about 4.88 cubic inches). It is filled through the base, which closes with a single screw, and a felt pad underneath protects the furniture it sits on.

Pictured: Heart Keepsake Urn for Ashes in Glossy Gold Metal

Aluminum on its own is the metal of the Memorial Garden Urn Ornament in Black, which is made for a garden or outdoor setting. It is a tall aluminum column, 82.5 cm (32.48 in) high, with a black coated finish and an angled open top. It holds 3.9 liters (about 238 cubic inches) and closes with a screw fitting at the base.

Six metal urns side by side

• Drop Adult Urn in Stainless Steel: brushed stainless steel, 3.5 liters (about 216 cubic inches), filled through the base, indoors or outdoors.
• Lotus Adult Urn in Matte Black Stainless Steel: painted stainless steel, 3.5 liters (about 214 cubic inches), a lid that closes securely and can be sealed with adhesive, indoors or outdoors.
• Tree of Life Adult Urn in Corten Steel: weathering steel, 3.5 liters (about 214 cubic inches), a lid that closes securely and can be sealed with adhesive, indoors or outdoors.
• Classic Metal Adult Urn in Brushed Silver: brass and aluminum, 3.2 liters (about 195 cubic inches), threaded screw-top lid, for display in the home.
• Memorial Garden Urn Ornament in Black: coated aluminum, 3.9 liters (about 238 cubic inches), screw closure at the base, made for a garden or outdoor setting.
• Heart Keepsake Urn in Glossy Gold Metal: brass, 0.08 liters (about 4.88 cubic inches) for a small portion of ashes, single screw at the base, for display in the home.

Capacity is the first thing to check on any urn. Our urn size guide explains how to work out what you need.

Where a metal urn can be kept

The urns in this guide can be kept indoors, except the garden ornament, which is made for the garden. A metal urn is steady on a shelf, a mantelpiece or a sideboard, and the heavier steel designs are not easily knocked over. Our guide on where to place a cremation urn has ideas for different rooms.

Outdoors, it depends on the metal and the design, so read the product page rather than assuming. The stainless steel, matte black and Corten steel urns in this guide are listed as suitable for outdoor display, and the aluminum garden ornament is made for it. The Classic Metal urn in brass and aluminum and the brass heart keepsake are for the home. You can see everything suited to a garden in our outdoor urns for ashes, and our guide to garden urns for ashes goes into more detail.

When a metal urn is not the right choice

If you want a natural burial. Metal is made to last, not to break down, and a natural burial is meant to return everything to the earth. Look at our biodegradable burial urns instead. A metal urn can suit a cemetery plot or a niche where a lasting container is wanted, but cemeteries set their own rules about containers, so ask before you choose. Our guide to what type of urn is best for burial explains the options.

If the urn will be lifted or moved often. Some steel designs are heavy before anything is placed inside. The Tree of Life weighs 6.5 kg (14.3 lb) empty and the Lotus 4.5 kg (9.9 lb). For someone who finds lifting difficult, the Drop at 1.8 kg (3.97 lb) or the Classic Metal urn at 1.4 kg (3.09 lb) is easier to manage. Shelf space is a separate question, and it is depth that decides it, not weight. The Lotus is 33 cm (12.99 in) deep and needs a wide surface, while the Drop and the Tree of Life are 14 cm (5.51 in) deep and the Classic Metal urn is 15.5 cm (6.10 in).

If you would like something softer. Metal is cool to the touch and tends to look modern. If that does not feel like the person you are remembering, a wooden urn or a ceramic urn may feel closer.

Flying with a metal urn in the United States

A metal urn is a risky choice for a flight. The Transportation Security Administration (TSA) allows cremated remains in carry-on bags, with special instructions, and states: "If the container is made of a material that generates an opaque image, TSA officers will not be able to clearly determine what is inside the container and the container will not be allowed." It suggests a temporary or permanent container "made of a lighter weight material, such as wood or plastic," and says its officers will not open a container, even if the passenger asks (TSA, Cremated Remains, page last updated July 10, 2018, read October 5, 2026). The TSA does not list the materials that fail, but it points families toward wood or plastic rather than anything heavier, so a solid steel or brass urn may not get through the checkpoint.

If you are flying, carry the ashes in a container that can be screened and move them into the metal urn when you arrive. Our guide to flying with ashes covers the steps.

Looking after a metal urn

A metal urn needs very little care. Indoors, dust it with a soft, dry cloth. Avoid abrasive pads and harsh cleaning products, which can scratch a brushed, polished or painted surface.

Corten steel is the exception to the usual advice about keeping metal clean and bright. Its rust-colored surface is the finish, so there is nothing to polish away, and it is meant to change slowly over the years.

Sizes and product details in this guide were checked against our product pages on October 5, 2026.

Frequently asked questions

Why choose a metal urn?

Choose a metal urn if you want one that will not shatter, closes firmly and lasts for many years with little care. Stainless steel, Corten steel and coated aluminum designs can also be kept outdoors.

What metals are urns for ashes made from?

The urns in this guide are made from four metals: stainless steel, Corten weathering steel, brass and aluminum. Matte black urns are stainless steel with a painted black finish, not a separate metal.

Can a metal urn be kept outside?

Many can, but not all. The stainless steel, Corten steel and coated aluminum urns in this guide are listed as suitable for outdoor display, while the Classic Metal urn in brass and aluminum and the brass heart keepsake are made for the home. Check the product page for the urn you are considering.

Do metal urns rust?

Stainless steel resists rust because the chromium in it forms a thin protective layer on the surface. Corten steel is designed to form a stable rust-colored surface, which is its finish. Some grades of stainless steel are not recommended for coastal areas.

Can a metal urn be buried?

A metal urn can be placed in a cemetery plot or niche where a lasting container is wanted, if the cemetery allows it. It is not suitable for a natural burial, where a biodegradable urn is the right choice.

Can you take a metal urn through airport security in the United States?

It may be turned away. The TSA says a container made of a material that generates an opaque image will not be allowed, and it suggests a lighter weight material such as wood or plastic. Carry the ashes in a container that can be screened and transfer them later.