It is a disastrously damaged concrete wall exposing thoroughly rusted reinforcing steels.

Areas around rusty concrete steels are also contaminated by rust.

The concrete surface is very bumpy and full of pits.

It is a oxidized brushed aluminum plate with dirt. The oxidation reduces the reflectiveness of the metal, so the surface has uneven glossiness.

Besides oxidation, dirt also affects the colors and reflectivity of aluminum.

It is a galvanized metal sheet with different sizes of scratches and pitting.

The crystallized pattern defines the signature of galvanized iron.

Galvanized metal is commonly used for covering wooden structure. Usually, construction workers simply nail them on wooden parts.

It is also used to make water tanks.

It is a cobalt or nickel like metal plate. The surface has been hammered, so it is very uneven and bumpy. The surface is also oxidized affecting the reflection.

This texture composes of multiple corrugated sheets of metal stacking on each other. The wavy shape of corrugated metals makes it stands out among other metals.

If you look at it carefully, you will find there are rusty cuts and scratches.

Have you ever noticed what the metallic texture of a train is ? This texture can be found on doors of underground trains. When your face is pushed to a train door during rush hours, you will discover the surface of train doors are covered with well aligned tiny crosses.

It is a plain metal plate having uneven surface. It is highly oxidized. It is not as reflective as new metal, but it still has a little glossiness.

As usual, highly oxidized iron comes with rust.

This metal pattern exists in many places, e.g. floors of elevators. It is the most typical 5-strip pattern for increasing fiction.

It is not just a metal plate, but also a rusty texture. Dirt is also on the surface.

It is a plain iron metal. The surface tells it is highly oxidized leaving only a few shiny areas.

Besides, the surface is covered with rust and dirt.

It is a rusty metal plate with typical cross patterns cover the whole surface. The bumpy cross pattern is used to increase the fiction and grip of metal especially when it is being used for flooring.

Dirt can also be found on the texture.