100% Rusty Metal or Iron Texture
This texture is a completely rusted out metal plate which has a few layers of rust. Due to weathering, the iron has different degrees of worn out parts and eroded areas. Corroded surface makes its surface highly bumpy.
 
Galvanized Metal Sheet Texture
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.
Hammered and Oxidized Metal Plate Texture
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.
 
Corrugated Metal Sheets with Cuts and Scratches
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.
Metal Treadplate Texture with Tiny Crosses
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.
Rusty Metal Texture with Bumpy Surface
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.
Rusty Metal Treadplate Texture with Classic Pattern
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.
Oxidized Rusty Metal Texture
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.
Rusty Metal Treadplate Texture with Cross Pattern
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.
1
2
3