CRA

[Elavarasan Mech]

Dear all 

Please clarify below 

What’s are the test required for corrosion resistant overlay 

procedure and performance qualification

As per ASME SEC IX TABLE QW -453 

LPT , BEND TEST -PROCEDURE QUALIFICATION 

BEND TEST - PERFORMANCE QUALIFICATION 

if any additional test required  please gudie me 

We useing this PQR for flange groove overlay 

Regards 

ELAVARASAN

[Deerendra Karanth]

Sir, 

With reference to your query regarding the required tests for corrosion resistant overlay procedure and performance qualification as per ASME Section IX, Table QW-453, in addition to the mentioned LPT and bend tests, the following supplementary tests are recommended—especially considering the application for overlay:

1. Chemical Analysis – As per ASME Section IX Figure QW-462.5(a) to verify composition of the deposited layer. Attached snapshot 

2. Hardness Survey – In accordance with NACE MR0175 to ensure compatibility with sour service, if applicable.

3. Metallographic Examination – To assess overlay quality, dilution, and fusion characteristics.

4. Microstructure Examination – Typically conducted at 100X to 500X magnification.

5. Ultrasonic Testing (UT) – To check for disbondment between the base metal and overlay.

Please ensure these tests are reviewed in alignment with project or client-specific requirements.

BR, 

Deerendra 

--
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
---
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-weld...@googlegroups.com.
To view this discussion visit https://groups.google.com/d/msgid/materials-welding/CAJ9L4ynzxQAHgamocxh95qXUb-t%3D1Y0W_ohAdDrF%2B4OGdL8FOg%40mail.gmail.com.

[Raviraj Gohil]

Hi..

If your equipment in hydrogen service and Hydrogen Disbonding test is required..

To view this discussion visit https://groups.google.com/d/msgid/materials-welding/CAG0nF9FToE0t7wG3rX1uamkeadZoPdprwg%3Df8h82sUJLHQze8w%40mail.gmail.com.

[Ulaganathan Ranjith]

Sent from my iPhone

On 5 Jun 2025, at 2:03 PM, Raviraj Gohil <raviraj....@gmail.com> wrote:



Hi..

If your equipment in hydrogen service and Hydrogen Disbonding test is required..

On Wed, 4 Jun 2025, 14:26 Deerendra Karanth, <dkar...@gmail.com> wrote:

Sir, 

With reference to your query regarding the required tests for corrosion resistant overlay procedure and performance qualification as per ASME Section IX, Table QW-453, in addition to the mentioned LPT and bend tests, the following supplementary tests are recommended—especially considering the application for overlay:

1. Chemical Analysis – As per ASME Section IX Figure QW-462.5(a) to verify composition of the deposited layer. Attached snapshot 

2. Hardness Survey – In accordance with NACE MR0175 to ensure compatibility with sour service, if applicable.

3. Metallographic Examination – To assess overlay quality, dilution, and fusion characteristics.

4. Microstructure Examination – Typically conducted at 100X to 500X magnification.

5. Ultrasonic Testing (UT) – To check for disbondment between the base metal and overlay.

Please ensure these tests are reviewed in alignment with project or client-specific requirements.

BR, 

Deerendra 

<gmail_images20250604_142122.png>

To view this discussion visit https://groups.google.com/d/msgid/materials-welding/CACbJsYJsZC4rqAgXKsDQ%2BhMLyf%3DQg_c2OLE1hQj4ZMaek-kOvw%40mail.gmail.com.