Re: [MW:34428] Corrosion Test Fail For Duplex Steel

Kindly find the attachment for test report

On Wednesday, 19 July 2023 at 08:03:57 UTC+3 Pham Thanh Tinh wrote:

Hi 

Send to me all PQT report from your conduct I will support to you.

Vào Th 3, 18 thg 7, 2023 vào lúc 08:26 Ashish Chacko <iamash...@gmail.com> đã viết:

I am currently working on developing a Procedure Qualification Record (PQR) for Duplex Steel. In the process, I conducted welding using the base material SA 790 (UNS:32205) and utilized two different filler wires: ER-2594 and ER-Nicr-Mo-14 for different coupons. Size of the coupon 6" Thick:10.97 mm.

However, I encountered a concern during the corrosion testing phase, as per ASTM A923-03 standards. Both test materials failed the corrosion test. I'm seeking guidance from the experts in this group to understand the possible reasons for the failure and to explore potential solutions or alternative approaches.

If anyone has experience with similar issues or insights into the matter, I would greatly appreciate your assistance.

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Best & Regard

Pham Thanh Tinh

QC Manager

China National Chemical Engineering Third Co.LTD

South Ghawar Gas Separation Plant & Associated Facilities Project

Email: tinh...@gmail.com / ph...@sinotcc.com

Mobile phone +966. 556802308 

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