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1. Using the following Fe-C phase diagram, calculate the percent a and y present, for a slow cool to room temperature from the gamma region for the steels listed in the table. Show your calculations for each and record your results in the table. Draw and label the phases/structures for each steel. Use the structure names like Ferrite, Pearlite, Cementite..... for labels. Y Austenite liquid 2200 2066 2000 Austenite solid solution of carbon in gamma iron 1800 1670 1600 1 Magnetic (1414 F) point Az A2 A3 ACM 1400 1333 Q+Y 1333F A, 1200 0.02 Pearlite and ferrite Pearlite and Cementite a + Fe 1000 Ao 410 2%. +0.008% 0.50 0.8 % 1% Hypo-eutectoid-Hyper-eutectoid- Steel tor Steel % a % Y Structure 1020 1030 1040 1050 1060 1070 1080 2. Calculate the UTS of the following steels based on the phases present. Show all work. Record the results in the following table. Steel UTS (psi) 1020 1040 1060 1080 1. Using the following Fe-C phase diagram, calculate the percent a and y present, for a slow cool to room temperature from the gamma region for the steels listed in the table. Show your calculations for each and record your results in the table. Draw and label the phases/structures for each steel. Use the structure names like Ferrite, Pearlite, Cementite..... for labels. Y Austenite liquid 2200 2066 2000 Austenite solid solution of carbon in gamma iron 1800 1670 1600 1 Magnetic (1414 F) point Az A2 A3 ACM 1400 1333 Q+Y 1333F A, 1200 0.02 Pearlite and ferrite Pearlite and Cementite a + Fe 1000 Ao 410 2%. +0.008% 0.50 0.8 % 1% Hypo-eutectoid-Hyper-eutectoid- Steel tor Steel % a % Y Structure 1020 1030 1040 1050 1060 1070 1080 2. Calculate the UTS of the following steels based on the phases present. Show all work. Record the results in the following table. Steel UTS (psi) 1020 1040 1060 1080

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