ENTC 207 Final Review 2023 updated to pass

ENTC 207 Final Review Safety in hardening of tool steels - correct answer Avoid cracking during hardening Carburizing treatment affecting grain size - correct answer Small grains at Ac3, grain size increases the higher you go above the Ac3 Prevent Stress Corrosion Cracking - correct answer Keep at low temp, eliminate residual stresses, and try to reduce applied stresses HSLA - correct answer High Strength Low Alloy Tools Steels - correct answer Hardenable alloy steels made to special-quality requirements Cold Work Prefixes - correct answer W (water hardening) O (oil hardening) A (medium alloy air hardening) D (high C, High Cr) Cold Work Applications - correct answer Metal Stamping, Knife Blades, Metal Forging, Die Hot Work Prefixes - correct answer H10-H19 (chromium types) H20-H39 (tungsten types) H40-H59 (molybdenum types) Hot Work Applications - correct answer Casting Mold, Hot Forging Shock Resisting Prefix - correct answer S