Re: [MW:26403] Re: Requirement of Solution Annealing for SS DIshed head after forming

check Table UHA-44.

Factors to consider are:

Alloy Grade

Design Temperature (lower and higher temperature range)

Strain after forming

The combination of the above factors is indicating if HT and at which temperature needs to be performed

2017-04-12 3:55 GMT+03:00 VIPUL <vipulagarwal19@gmail.com>:

Hi,

Please let me know What is the finishing forming temperature as per UHA-44.

Thanks,

Vipul

On Tuesday, 13 September 2011 15:48:03 UTC+5:30, asad azmi wrote:

Dear All,

 

Greetings.

 

SS Vessel is being fabricated as per construction code - ASME SEC VIII DIV 1

 

SERVICE : SOUR Service

 

Material of Construction  for Dished Head - SA 240 316L, 20 mm Thickness.

 

I  believe stresses will be  induced in the material  during forming and as a result , Sulfide Stress Cracking (SSC) failure may occur during operation.

 

Whether Solution Annealing of SS Dished Head is required after forming?

 

Please give reference of any International Standard.

 

Thanks & Regards

 

Asad Azmi

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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