½” SS WING SEAL T304 BOTTOM SEAM WITH X FOR REINFORCEMENT. BHI Stainless provides the best quality stainless steel banding. TYPE 304 has excellent resistance to oxidation, and the characteristics of Stainless permit its use in all but the most severe conditions. Use for Corrosion resistance which is the chief reason for the use of stainless steel for general all-round insulation strapping. Use for external applications like those where the strap is used on the outside of insulation to bind it to a vessel or pipeline. Use for internal application like those where the strapping is placed under the insulation, either against the pipe or vessel, or within the layers of insulation.