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

Hi , 

If there is no welding done on valves then I don't find any reason for the base material to undergo Pickling & passivation. Could you please confirm if your valve is made of SA 351 CF8M.

With Best Regards,

M.A.QUALIQUE

On Tue, 26 Jul 2022 at 11:19, 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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