AK Steel is the only manufacturer in North America to produce Type 1 Stainless 409. Almost all of the steel coated on the terne coat line is used for the automotive industry, namely gas tanks, oil filters, oil pans, radiator brackets and radiator space channels. After spending approximately five minutes on the line, the strip is then cooled with a blast of air, water quenched to ambient temperature, and recoiled. Then, it's shipped to the customer. Shipping Each coil of steel that leaves Middletown Works by way of truck or rail is wrapped in protective wrapping so it is delivered to the customer without harm.
Coils reach customers by way of truck, rail and barge.