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What is the melting point of pure iron?(a) 1500°C(b) 1535°C(c) 1570°C(d) 1605°CI have been asked this question during an internship interview.My question is based upon Cooling Curve for Pure Iron in portion Heat treatment of Metals and Alloys of Casting-Forming-Welding II

Answer»

Right ANSWER is (b) 1535°C

For explanation: Iron EXISTS in many allotropic FORMS, and every such allotropic form has a different MELTING, boiling and SOLIDIFYING point. But, for pure iron, the melting point is 1535°C.



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