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Home/Questions/Q 1540
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Purnima Lohani
Purnima LohaniCopper
Asked: May 20, 20202020-05-20T13:46:00+05:30 2020-05-20T13:46:00+05:30In: Uncategorised

How to calculate superheat?

How to calculate superheat?
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    4 Answers

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    1. Arpita Samal Platinum⭐ Metallurgical and Materials Engineering student
      2020-05-20T22:34:10+05:30Added an answer on May 20, 2020 at 10:34 pm

      Super heat is the temperature of gas above the boiling point of liquid.  It is calculated by subtracting saturation temperature from the thermocouple temperature.

      Super heat is the temperature of gas above the boiling point of liquid.  It is calculated by subtracting saturation temperature from the thermocouple temperature.

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    2. Mohamad Afzal Khan Gold
      2020-05-21T14:45:36+05:30Added an answer on May 21, 2020 at 2:45 pm

      For pure metal super heating can be calculated, for iron and steel it is delicate. For steel casting it is above 50°C of tapping temperature ~1500°C(total) to minimize heat losses while pouring, later carrying laddle to casting moulds. Now for cast iron it is tedious, since tons of metals to be pourRead more

      For pure metal super heating can be calculated, for iron and steel it is delicate. For steel casting it is above 50°C of tapping temperature ~1500°C(total) to minimize heat losses while pouring, later carrying laddle to casting moulds. Now for cast iron it is tedious, since tons of metals to be poured by 30 secs to prevent chilling effects and graphitisation. Experience makes you a good melter!

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    3. Suvam Copper ABC
      2020-05-21T17:39:15+05:30Added an answer on May 21, 2020 at 5:39 pm

      For steel casting Superheat is the difference between the liquidus temperature of the liquid steel and the measured liquid steel temperature (Tundish temperature). For steel casting it is above 40-50°C of tapping temperature to minimize heat losses while pouring, later carrying laddle to casting molRead more

      For steel casting Superheat is the difference between the liquidus temperature of the liquid steel and the measured liquid steel temperature (Tundish temperature). For steel casting it is above 40-50°C of tapping temperature to minimize heat losses while pouring, later carrying laddle to casting molds.

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    4. Vikas Tiwari
      2020-05-23T07:41:11+05:30Added an answer on May 23, 2020 at 7:41 am

      Superheat is the difference between the temperature  above the melting point and melting point. Steel is superheated above melting point to compensate for the fall in temperature during transfer and to maintain the good flowability. Superheat=(Temperature above the melting point) - (Melting temperatRead more

      Superheat is the difference between the temperature  above the melting point and melting point. Steel is superheated above melting point to compensate for the fall in temperature during transfer and to maintain the good flowability.

      Superheat=(Temperature above the melting point) – (Melting temperature)

       

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