Re: [MW:9854] HIC test as per NACE MR 0103 of SA 516 Gr.60 plates

Dear Mr.Kamal,

It may please be noted that all P1G1 materials are considered to be SSC resistant but not HIC resistant.For plates to be considered as HIC resistant,%S has to be less than 0.003%.If you do not get this Sulphur level,with your client's permission,you need to carry out HIC test as per TM0284.Steel used has to be fully killed and fine grained;steel to be made by low sulphur and low phosphorous refining process and shall be vacuum degassed for higher thickness

Regards

Aarpee

On Sat, Feb 12, 2011 at 6:54 PM, MM Muthu <rmuthusgs@gmail.com> wrote:

Dear Kamal,

Its not an essential requirement to perform HIC as per NACE MR 103. check for any client requirements or design requirements

If you want to perform HIC it should be as per NACE-TM0284, it only state the test method to perform HIC and measure CLR, CTR, CSR, it does not tells about acceptance criteria.

Check the below link which throws light on MR0175 & MR0103, it clearly says "It is extremely important to note that in both MR0175 and 

MR0103 the user is responsible for determining and judging whether the environmental conditions are such that the material requirements of the Standard should be applied. "

http://www.documentation.emersonprocess.com/groups/public/documents/articles_articlesreprints/nace_overview_corrosion2004.pdf

Cheers

MM

On Fri, Feb 11, 2011 at 9:51 AM, kamal nathan <kamalihi@gmail.com> wrote:

hi all,

        pls guide in the below query

 

we have to do a heat exchanger of material SA 516 Gr,60 conforming to NACE MR 0103.

 

we have ordered  for plates supply to a trader and do check test to conform the requirements of NACE MR 0103

 

what are all the test to be done as per NACE MR 0103?

 

Whether we have go for HIC test or not?

 

If we have to do HIC test for plate materails as per NACE where the clause is mentioned?

 

I have gone through NACE MR 0103 and could not interpret exactly whether HIC test is mandatory

 

please put all your comments related to this

 

kamal

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