Re: [MW:23003] Reg - Etchant for Aluminum material

Use 10% NaOH

Harish Kumar

On 25 Mar 2015 12:31, "anand babloo" <bravanand@gmail.com> wrote:

Dear Experts,

I need certain Aluminum weld samples to be Macro etched .

The grades of Aluminum are ALU 5052 & ALU 1050.

Kindly advice me that which etchant has to be used to reveal proper weld fusion.

Thanks in advance :)

Awaiting experts advice.

With regards,

R.Anand Raj

CSWIP 3.1 Welding Inspector

ASNT LEVEL II 

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