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What is the yield strength of bolt of class 4.6?(a) 400 N/mm^2(b) 240 N/mm^2(c) 250 N/mm^2(d) 500 N/mm^2This question was addressed to me in a job interview.Query is from Bolted Connections in chapter Bolted Connections of Design of Steel Structures |
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Answer» RIGHT choice is (b) 240 N/mm^2 Easiest explanation: For CLASS 4.6, ULTIMATE strength = 4×100 = 400 N/mm^2 yield strength / ultimate strength = 0.6 yield strength = 0.6×400 = 240 N/mm^2. |
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