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 forging@ flash welded rings@ or heading. Application These products have been used typically for parts@ such as turbine discs@ shafts@ spacers@ dowels@ and fittings@ requiring moderate strength up to 1300 ??(704 ?? and oxidation resistance up to 1500 ??(816 ??@ but usage is not limited to such applications.