Re: [MW:27647] Pickling and passivation of 17-4Ph Stainless steel

Because of after the welding precipitation of chromium layer on welding so remove this layer pickling requirement.but after solutions annealing already his layer remove so not required

Regards

Rajesh

Sent from Yahoo Mail on Android

On Sat, Apr 7, 2018 at 8:40 AM, Hrushikesh Sangamnerkar

<hrushi612@gmail.com> wrote:

Dear experts,

My query is:

I have weldments joining SS 304L # 17-4PH material. The weldments are subjected to heat treatment.

My customer is of the view that 17-4PH cannot be subjected to pickling and passivation after heat treatment. 

Can anyone provide technical literature as to why SS 17-4PH grade can't be subjected to pickling and passivation?

Thank you.

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