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SIVASUBRAMANIAM
Active Contributor

Join Date: Jul 2010
Posts: 14

Pressure Parts Material

08/08/2010 2:48 AM

Hi all. I would like to know about pressure parts material. Can you tell me which material is used for making this parts given below? 1. Boiler drum 2. Water walls 3. Bed coils 4. Water and steam headers 5. economiser, superheater and airpreheater.

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Natarajan
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Join Date: Jul 2010
Posts: 60
Good Answers: 1
#1

Re: Pressure Parts Material

08/09/2010 3:15 AM

Hi, This is the most common material used in pressure parts. 1.Boiler drum-Carbon Steel 2.Water wall-Low carbon steel/Low carbon steel + 1/2% molybdenum. 5.Economiser-Low Carbon steel. Superheater material is based on the metal teimperature reached in a zone.Normally carbon steel used upto temperature 450 deg.Celsius. Above that alloy steels are used. Alloy of Cr., Mo., Ni., are mostly used. In airpreheater each component having distinct material. I don't know the material for water and steam headers. I want to know what means Bed coils.
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SIVASUBRAMANIAM
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Join Date: Jul 2010
Posts: 14
#2
In reply to #1

Re: Pressure Parts Material

08/09/2010 12:17 PM

Hello. I saw your answer. Thankyou for information. Then bed coils mean an evaporator coils.

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