ASTM A262

Full Name

ASTM A262 – Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

Scope

These practices cover the following five tests:

  1. Oxalic Acid Etch Test for Classification of Etch Structures of Austenitic Stainless Steels
  2. Ferric Sulfate-Sulfuric Acid Test for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
  3. Nitric Acid Test for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
  4. Copper-Copper Sulfate-Sulfuric Acid Test for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
  5. Copper-Copper Sulfate-50% Sulfuric Acid Test for Detecting Susceptibility to Intergranular Attack in Molybdenum-Bearing Austenitic Stainless Steels.

Keywords

austenitic stainless steel; copper sulfate; corrosion testing; etch structures; ferric sulfate; intergranular corrosion; nitric acid; oxalic acid

Resources

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