Re: [MW:35313] P-No. of UNS 06626

Mr. Saleem, 

Incl 625,minimum preheat temp. should be 50 deg. C and should not cross 200 deg. C.  Interpass temp. should not 

exceed 250 deg. C to avoid effects on material integrity  and mechanical properties. 

Generally, Preheat is not required  for incl 625. This range will help to reduce the thermal shocks in thicker sections, 

control the cooling rates, provide good weldability, and to prevent cracking during cooling. Heat-input to be controlled 

to avoid grain growth and reduced toughness.

C Sridhar.

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On Wed, 23 Oct 2024 at 15:29, saleem manhappulath <saleemm9526@gmail.com> wrote:

Dear Team

   KINDLY SUGGEST PREHEAT TEMP. MIN. AND MAX. FOR INC625

 

Thanks & Best Regards
Saleem manhappulath

Mob:+966533595849
WhatsApp:+919526445936

On Mon, Mar 25, 2024 at 12:18 PM Vinay <vinay.thattey@gmail.com> wrote:

PL confirm , it is UNS N06626 . Its Ni-Cr moly steel..   P-45 is correct.

P-43 is for Inconel 625 i.e UNS 06625 . 

On Wed, 28 Feb 2024 at 15:42, ilham fauzi <ifilham@gmail.com> wrote:

Dear Experts,

What is P-No. of UNS 06626, my client say its P No.45 but that materials simillar with UNS 06625 which is its P-No.43. Please for the advice

Thanks

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