pickling and passivation on stainless steel

[@dilllibabuk5414]

good explanation, but I feel safety shoe covering method is wrong, why spray liquid go inside the shoe sir..

[@abhishekarali7493]

water pressure 120 Bar , May be this is the reason

[@nandlalrajbherwel.4043]

Nice information.

[@wiwitajipamungkas8277]

why on welding area only, how abaout the other surafce any rusting in your video

[@user-rk4kj7hg2n]

what are this stuffs made of ? pickling spray and passivation spray.

[@abirami8472]

HNO3

[@Bunny-ky7vz]

Pickling - nitric acid and hydroflouric acid

[@carlostorres8771]

Okie