TEMPERATURE Figure 15: Manganese Steels: 1335 *F 800 A 1400 A 700 As A+F 1200 600 1000 500 A+F+C 400 3000 200 400 100200 M I-T DIAGRAM 15 F+C 18 21 33 IMIN LHOUR DAY WEEK 59 0.5 125 10 102 103 104 105 106 TIME SECONDS 46 HARDNESS-RC Instructions: For the following problems utilize the listed TTT Diagram from your Equation Booklet. The treatment begins with austenitizing temperature. RT = Room Tempearture. Use 1 for 0% Transformed as an answer! --Given Values-- = Time Temperature Transformation Diagram: 1335 Steel = Heat Treatment: Quench to 800 F hold for 5 seconds then quench to RT Problem 1 Part A: For the diagram and heat treatment listed above give the percentage of Pearlite: Your Answer Problem 1 Part B: For the diagram and heat treatment listed above give the percentage of Upper Bainite: Your Answer Problem 1 Part C: For the diagram and heat treatment listed above give the percentage of Lower Bainite: Your Answer Problem 1 Part D: For the diagram and heat treatment listed above give the percentage of Quenched Martensite: Your Answer Problem 1 Part E: For the diagram and heat treatment listed above give the percentage of Tempered Martensite: Your Answer Problem 1 Part F: For the diagram and heat treatment listed above give the percentage of Pro-Eutectoid Ferrite: Your Answer Problem 1 Part E: For the diagram and heat treatment listed above give the percentage of Spheroidite: Your Answer