Accu-Test Labs routinely performs the following corrosion testing:

ASTM A262 – Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels.

• Method A – Oxalic Acid Etch Test for Classification of Etch Structures of Austenitic Stainless Steels
• Method B – Ferric Sulfate-Sulfuric Acid Test for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
• Method C – Nitric Acid Test for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
• Method E – Copper – Copper Sulfate – Sulfuric Acid Test for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
• Method F – Copper – Copper Sulfate – Sulfuric Acid Test for Detecting Susceptibility to Intergranular Attack in Molybdenum-Bearing Austenitic Stainless Steels

ASTM G28 – Detecting Susceptibility to Intergranular Corrosion in Wrought, Nickel Rich, Chromium-Bearing Alloys.

• Method A – Ferric Sulfate – Sulfuric Acid Test
• Method B – Mixed Acid – Oxidizing Salt Test

ASTM G48 – Pitting and Crevice Corrosion Resistance of Stainless Steels and Related Alloys by Use of Ferric Chloride Solution.

• Method A – Ferric chloride pitting test
• Method B – Ferric chloride crevice test
• Method C – Critical pitting temperature test for nickel-base and chromium-bearing alloys
• Method D – Critical crevice temperature test for nickel-base and chromium-bearing alloys

ASTM A923 – Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels.

• Method A – Sodium Hydroxide Etch Test for Classification of Etch Structures of Duplex Stainless Steels
• Method B – Charpy Impact Test for Classification of Structures of Duplex Stainless Steels
• Method C – Ferric Chloride Corrosion Test for Classification of Structures of Duplex Stainless Steels