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Standard number, name of corrosion test, and main components of the solution; practical applications; ASTM methods: Stainless steel 1 – 1GB4334.1-841; Method for testing stainless steel under 10% oxalic acid erosion； 2) After electrolytic erosion with 10% oxalic acid, metallographic analysis is used to determine whether to proceed with experiments using other intergranular corrosion methods. Preliminary determination of the method for intergranular corrosion testing of SS: A262-A method 2GB4334.2-841) – Methods for testing corrosion of stainless steel ； 2) Boiling. Test A262-B method 3GB4334.3-841) for determining the preferred method of intergranular corrosion testing of SS; corrosion test method using 65% HNO3 for stainless steel ； 2) 65% HNO3 boils. Preference test for intergranular corrosion testing methods of SS: Method A262-C 4GB4334.4-841) – Testing methods for stainless steel corrosion ； 2) (70% HNO3 + 3% HF), 70°C. Preference test for intergranular corrosion testing methods of SS: Method A262-D 5GB4334.5-841) Corrosion testing method for stainless steel in (H2SO4+CuSO4) ； 2) (Cu + H2SO4 + CuSO4) boils. Intergranular corrosion of SS – Method A262-E 6GB4334.6-841) Corrosion testing method for stainless steel in 5% H2SO4 ； 2) 5% H2SO4, weight loss on the boiling side. SS uniform corrosion 7GB4334.7-841) Test method for stainless steel in ferric chloride solution ； 2) 6% FeCl3, 38~50°C. SS pitting resistance (G48, JIS G05878, GB4334.8-841): Stainless steel, 42% MgCl2, SCC testing method ； 2) 42% MgCl2 boiling solution. Tendency of SCC in SS 9GB4334.9-841) Method for measuring pitting potential of stainless steel ； 2) Pitting tendency of SS in 3.5% NaCl solution: Method A for Ni and Ni-based alloys – test for intergranular corrosion sensitivity of Ni-based alloys; Method B (Cu + CuSO4 + 16% H2SO4) – test for intergranular corrosion sensitivity of Ni-based alloys; Method A262-E; Method C – hydrochloric acid test for intergranular corrosion sensitivity of Ni-based alloys; Method D – nitric acid test, 65% HNO3 at boiling temperature – test for intergranular corrosion sensitivity of Ni-based alloys; Method A262-C