Re: [MW:33297] Pickling and passivation need before painting SS surfaces

Pickling and Passivation is important if it is subjected to corrosive environment , otherwise no need

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Tue, Jul 26, 2022 at 1:49 PM Anilkumar G <akg.nitt@gmail.com> wrote:

Dear Experts

Do we need pickling and passivation of SS surfaces before painting them? Could you please suggest any specification relevant this requirement?

The parts are SS cast valves requiring painting.

Regards

Anilkumar

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