Dear Harikrishnan:
Why not using grinding...?Regards
On Mon, Oct 14, 2013 at 6:11 AM, Harikrishnan N S <hari.qaqc@gmail.com> wrote:
Dear All--We have to do etching on duplex stainless steel pipes as part of the removal of arc strike. Can you please share your experience on the etchants used for this.I referred AS 2205.5.1, which describes a) Chrome regia solution, b) Nitric acid/ hydrochloric acid solution or c) Ferric chloride as etchants for austenitic stainless steels. My doubt is whether it will affect the corrosion resistance of duplex steels.Thanks and RegardsHarikrishnan
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