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Re: [MW:22980] Normalized plate of A516 gr 70

By Materials & Welding
Addition to my previous reply on the below query:
As per 13.1.2 of ASTM A20 (Plates for Pressure Vessels)
"Plates that are required to be heat treated, and have been so heat treated, shall be marked by the party that performed the heat treatment, with the letters "MT" (denoting material treated) following the required ASTM designation mark"


ವಂದನೆಗಳೊಂದಿಗೆ / Best regards,

Nandesh Kumar Arasappa

P.S. : Please don't print this e-mail unless you really need to.

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On Sat, 14/3/15, Dani Darwis <daniyd@centrin.net.id> wrote:

Subject: [MW:22971] Normalized plate of A516 gr 70
To: materials-welding@googlegroups.com
Date: Saturday, 14 March, 2015, 5:44 PM

#yiv9294488321
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#yiv9294488321 Dear Expert,  Our vendor had purchased
normalized plates from Sumitomo of steel making and Mill
Cert clearly stated that the plates have been normalized but
no sign or stamp "N" on plate. The problem is when the
client reviewed and witnessed it, they don't believe that
the plate has been normalized and the question is what test
needs to be conducted to prove that the plate has been
normalized?  For your info: what do you think
if the client ask for the following test:1.       Tensile
test and the specimen needs to be normalized first prior to
test, acceptance criteria as per mill cert.2.       Scanning
Electron Microscope (SEM), acceptance criteria: no residual
stress in the plate.  Your quick response is highly
appreciated.  RegardsDani


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