Determination of resistance to intergranular corrosion of stainless steels. Ferritic, austenitic and ferritic-austenitic (duplex) stainless steels. Corrosion test in media containing sulfuric acid|Stainless steels, Corrosion resistance, Rolling, Sulfuric acid, Austenitic steels, Immersion tests (corrosion), Corrosion tests, Test specimens, Intergranular corrosion, Steels, Cast steels, Specimen preparation, Ferritic steels, Forgings, Heat treatment, Pipes, Bend testing, Welded joints, Acid-resistance tests