Taiwan Provincial Standard of the People's Republic of China
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CNS 4764-1986
Scope
This standard stipulates a test method for measuring the corrosion loss of stainless steel after it is exposed to boiling 65% sulfuric acid test solution to evaluate the degree of grain boundary corrosion.
CNS 4764-1986 history
1986CNS 4764-1986 Method of 65 Percent Nitric Acid Test for Stainless Steels