my suggestion given below
Regards
Hegde
From: ajay singh <asingh10088@gmail.com>
To: materials-welding@googlegroups.com
Sent: Thu, 11 November, 2010 10:15:56 AM
Subject: [MW:8196] how to select a PQR test coupon
Dear members
Can you please guide me to select PQR test coupon on the basis of my below requirement
1. PQR to be used for my job thickness 6.0 mm to 13 mm
2. Material of construction is SA516 GR.70 plate.
3. Welding process to be involved is only SMAW.(use higher grade consumables Like E7018-1 or E7018A1) to achieve tensile strength after Normalising)
4. Test coupon to be Normalized at 900 deg.C after completion of welding.( Soaking time should be such that it shloud cover the thickness range of the component to be normalised) Does component which is normalised will undergo PWHT ? If yes then PQR should undergo Normali +PWHT cycle.
5. Bend test, Tensile, Hardness & Impact test to be carried out as per Sec. IX.
6. All joints to be single V type and to be back chip for final run.
kindly guide me with some example.
thanks in advance.
Ajay
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