So, it's a metal-looking map, but not a speedmetal map : there is far less metal, and not everywhere.
General overview :

Metal distribution :

As you can see, there is much metal in the center, and in the 4 islands, so you'll have to expand to survive...
Close view :

I've tested it with some players, and IAs, and I think It's pretty cool. Maybe there is too much metal, specially on the center islands, so if you've got suggestions...
Dl link here