AISI 98B40 Compressor Wheels and Gears Open PDF Document Details Document Type Technical Report Publication Date Feb 01, 1954 Accession Number AD0031056 Entities People G. J. Wile J. E. Anderson R. C. Downey Organizations General Electric Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Air Force Engineering Gas Turbines Hardening Heat Treatment Jet Engines Manufacturing Materials Mechanical Properties Microstructure Production Reduction Of Area Steel Tensile Properties Tensile Strength United States Yield Strength