[MW:937] RE: 933] PWHT - Caustic service

To avoid cautic cracking of CS.

 

Regards,

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Darji Nilesh (Mumbai - Machinery)
Sent: Thursday, July 17, 2008 8:06 AM
To: materials-welding@googlegroups.com; Pressure_Vessel@yahoogroups.com
Subject: [MW:933] PWHT - Caustic service

 

In Process data sheet, Process has asked to perform PWHT for Centrifugal pump Material due to caustic service.

 

Pump casing material is A 216 Gr WCB.

 

Can any one clarify why It is required !! any specific reason !!

 

Regards,

 

Nilesh.

 

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