Form: This specification covers a corrosion and heat resistant steel in the form of bars@ wire@ forgings@ mechanical tubing@ flash welded rings@ and stock for forgings@ flash welded rings@ or heading. Application: Primarily for parts such as turbine rotors@ shafts@ blades@ bolts@ dowels@ and fittings@ requiring high strength up to 1300?? (704??) and oxidation resistance up to 1500?? (816??).