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How much is the Brinell hardness of martensite?(a) 600-650(b) 650-700(c) 750-800(d) 800-850The question was posed to me in an online quiz.Asked question is from Cooling Curve for Pure Iron in section Heat treatment of Metals and Alloys of Casting-Forming-Welding II |
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Answer» RIGHT answer is (b) 650-700 Explanation: MARTENSITE is a ferro-magnetic SUBSTANCE in nature, and it is known to have Brinell HARDNESS ranging from 650-700. |
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