ELEVATED TEMPERATURE FATIGUE PROPERTIES OF SAE 4340 STEEL Open PDF Document Details Document Type Technical Report Publication Date Dec 01, 1952 Accession Number AD0008716 Entities People W. J. Trapp Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Air Force Air Force Facilities Boundaries Corporations Creep Fatigue Tests (Mechanics) Heat Energy Materials Materials Laboratories Measurement Notch Sensitivity Stress Concentration Stress Strain Relations Stresses Temperature Gradients Tensile Strength Yield Strength