Letter Re: Armor Plate for a Bus
Hello, I’m looking at putting plate steel inside the walls of a bus that I am converting, and I was wondering how thick of steel I should put in there for effective armor from rifle fire up to something like .30-06. Can you provide any guidance in this area? Thank you – T.K. Hugh Responds: If you are talking mild steel plates, there isn’t any thickness that I would recommend. Mild steel (the most common plate steel) is so soft that thicknesses of greater than 1” may be required. Many today use abrasion resistance steel (steel intended for large earth …