510 Lesson 7 Handout

Step 2 Figure UCS-66 Material Curves

Solution

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Usually when there is a drop in temperature there is also a drop in the pressure. The two operating conditions are calculated and the Ratio is determined. This Ratio is given on the exam and you need only use the table to apply this rule.

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Step 3 Figure Coincident Ratio UCS-66.1 Section VIII

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63 – 40 = 23oF our adjusted MDMT Slide 25

Our Material 516 Normalized is on Curve D below

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Table UCS-66.1 Step 3: Checking Fig. UCS-66.1 and entering at our stated Coincident Ratio of .85 and then down to read the temperature reduction permitted we find 15 °F.

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UCS-56

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Acceptance Values for Impact Tests

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