The hot dip process will protect steel, dipping steel in zinc creates alloy layers bonded to the steel surface. We would recommend any steelwork used in an outside environment is treated in this way prior to being powdercoated.
Powdercoating requires surfaces to be clean and free from old paint, rust etc. and we can arrange this for you.
If you need precision cut steel as part of your job we can source laser or water cutting of items which can then be weld