How to check weld penetration. Acids,Bluing,Rusting, What works? My research revealed

[I_Love_Plasma]

A solution of nitric acid and alcohol, Nital, is used for etching of metals to reveal the microstructure. ISO 14104 is one of the standards detailing this well known procedure.

http://en.wikipedia.org/wiki/Nital

Thurmond

Thank you for the link Thurmond!

We're really taking this thread off topic.

Thank you Zoama

To all,
please keep this thread on topic. I do agree with Google translator working quite well, I even have it favorited. Welcome to our Russian brother Again please keep it on topic.

Thank you,
ILP