Corrosion
- Home
- Corrosion
Patson has a team of dedicated personnel including senior metallurgists with over 30 years of experience in related fields who perform and monitor the corrosion studies to carry out the tests with utmost perfection. Patson’s technical team has developed deep industry expertise to address a variety of corrosion problems that an organization encounters like in the field of oil and gas production & transmission, energy conversion systems and nuclear power systems. A wide variety of corrosion-related tests are undertaken to determine weight loss corrosion, inter granular attack, pitting corrosion, corrosion fatigue, stress corrosion cracking, sulfide stress cracking, and hydrogen-induced cracking.
- Inter-granular Corrosion (IGC) Test as per ASTM A 262:
- Practice A : Oxalic Acid Etch Test
- Practice B : Ferric Sulphate – Sulphuric Acid Test
- Practice C : Nitric Acid Test
- Practice E : Copper – Copper Sulphate – Sulphuric Acid
- Practice F : Copper – Copper Sulphate – 50 % Sulphuric Acid
- Inter-granular Corrosion (IGC) Test as per ISO 3651-1 & 2
- Pitting and Crevice Corrosion Tests as per ASTM G-48:
- 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.
- Method E—Critical pitting temperature test for stainless steels.
- Method F—Critical crevice temperature test for stainless steels.
- Pitting and Crevice Corrosion Tests as per ASTM G-48:
- 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.
- Method E—Critical pitting temperature test for stainless steels.
- Method F—Critical crevice temperature test for stainless steels.
- ASTM A-923 Corrosion Tests:
- ASTM G 28 Corrosion Tests
- Method A, Ferric Sulfate-Sulfuric Acid Test
- Method B, Mixed Acid-Oxidizing Salt Test.
- ASTM G-35 Corrosion Tests
- ASTM G-46 Corrosion Tests- Examination & Evaluation of pitting corrosion
- Chloride Stress Corrosion Tests as per ASTM G-36
- Chloride Stress Corrosion Tests as per ASTM G-36
- Hydrogen Induced Cracking (HIC) Test as per NACE TM-0284
- Sulphide Stress Corrosion Cracking (SSCC) Test as per NACE TM-0177
- Salt Spray Test as per ASTM B-117 Copper Accelerated Acetic Acid Salt Spray (CASS) Test
- Adhesion Test – Pull Off Test as per ISO 4624
- Mass of Zinc Coating as per IS 6745
