Dear Sir
Following are the Inspection requirements from our client side:
(1) Electrode-ASME Sec II C SFA 5.9 ER 2594;
(2) The PQR shall be qualified as per ASME SEC IX & additional test as per API 938-C
(3) Tensile test, bend test, chemical test as per ASME SEC IX
(4) Ferric chloride corrosion test as per ASTM A 923 Method C
(5) Cross section macro examination; ferrite measurement & hardness testing.
(6) Heat input range to be specified in WPS.
(7) All weld location shall be checked for % ferrite measurement.
Regards
Subrata Das
P. K. Tubes & Fittings Pvt. Ltd.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of pgoswami
Sent: Monday, August 09, 2010 5:01 PM
To: materials-welding@googlegroups.com
Subject: [MW:6399] MW: 6397- What type of Heat treatment to be done
What's the design code and applicable specifications(e.g NACE, API)....
Please provide these details.Duplex S.S can have different testing requirements based on the end services.
Thanks.
Pradip Goswami,P.Eng.
Welding & Metallurgical Engineer/Specialist
Ontario Power Generation Inc.
Email-pgoswami@sympatico.ca,
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of subrata das
Sent: Monday, August 09, 2010 7:06 AM
To: materials-welding@googlegroups.com
Subject: [MW:6397] What type of Heat treatment to be done
Dear All
Can anyone suggest me which type of heat treatment to be carried out on a PQR test coupon. My PQR test coupon is cladded plate Duplex SS UNS S32750 to SA516 Gr.70. Thickness of Duplex SS UNS S32750 is 3 mm and thickness of SA516 Gr.70 is 10 mm. This PQR to be used while welding in two part welded fittings.
Regards
Subrata Das
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