Orman Clark has created this collection of free metal surface textures, he is a UK based Web Designer. Orman created the Premium Pixels website to share some of the resources and files he has created in his quest to make the web a more attractive place. To download the texture pack simply click on one of the images.
There really are a couple of gems in this bundle! Each texture (jpeg) in the set is a massive 2500px x 1667px giving you plenty of options.