PBR CG Textures › Tags › Battered
Hammered and Oxidized Metal Plate Texture
(Metal 0009)
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.
 
Rusty Metal Texture with Bumpy Surface
(Metal 0004)
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.