Problem 2-24 - each alloy Which would be your first choice...

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MACHINE DESIGN - An 2-24-1 PROBLEM 2-24 Statement: Call your local steel and aluminum distributors (consult the Yellow Pages) and obtain current costs per pound for round stock of consistent size in low-carbon (SAE 1020) steel, SAE 4340 steel, 2024-T4 aluminum, and 6061-T6 aluminum. Calculate a strength/dollar ratio and a stiffness/dollar ratio for
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Unformatted text preview: each alloy. Which would be your first choice on a cost-efficiency basis for an axial-tension-loaded round rod (a) If maximum strength were needed? (b) If maximum stiffness were needed? Solution: Left to the student as data will vary with time and location. P
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