Re: [MW:31254] Combination of PQRs

Good morning,

Dear Ramon as Metallurgical Engineer ,are you so kind to give us your opinion related the microstructure,mechanical properties,etc affected if austenitic SS 904 is welded with ER NiCr,ER NiFeCr(SFA-5.14 filler metal)?

Seems to be interesting.

Regards

Gigi

On Sunday, 2 August 2020, 07:30:50 EEST, Customer Care <bricenori@hotmail.com> wrote:

Dear Prasad,

It seems to me that your proposal is not valid because the INCOLOY  825 alloy belongs to the family of nickel base alloys with filler metal within SFA 5.14. (for example ERNiFeCr-1).

 

904 L is a high alloy austenitic stainless steel and must be welded with filler metal of the same composition within SFA 5.9 (ER385) and also to weld the SS 317 / 904L combination.

 

You should prepare WPS with PQR for this 904L alloy.

 

Regards,

 

Ramon Briceno / Metallurgical Engineer -Oil & Gas

www.linkedin.com/in/ramon-briceño-976265b5

 

Sent from Mail for Windows 10

 

From: prasad loke
Sent: Saturday, August 1, 2020 7:20 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:31251] Combination of PQRs

 

Dear Sir,

 

Greetings !

 

We are in need your expert opinion on following issue,

 

We have WPS/PQR for Incolloy 825-Incolloy 825 ( P number 45)----Filler used for same is from SFA 5.14

Now We have a requirement of SS904L to SS904L welding.( P number 45)---Where recommended filler is ER385 with SFA 5.9

 

If we make WPS with filler from SFA 5.14 for this (SS904L to SS904L) welding as P number is same, can it be supported with existing PQR of Inc-825 to INC-825 ?

 

Thanks in advance.

 

Regards

Prasad Loke

 

On Mon, Jul 27, 2020 at 1:03 PM K K <karan.hbl@gmail.com> wrote:

Hi Experts,

 

"Good Morning"

 

According to my line classes, I required NACE+HIC+PWHT Wet H2 services.

What is the test shall be conducted according to the standard to meet the requirements?

 

I have one PQR with NACE+PWHT+Wet H2S services, but not HIC test.

In addition, I have qualified one HIC tested PQR without PWHT no other lab test certificates, shall I combined this PQR to the above requirements( NACE+HIC+PWHT+wet H2S).

For your information, the HIC test is an additional requirement of our specifications.

Please looking your feedback on my above query.

 

Thanks and Regards

Kiran

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