Testing methods for duplex steel
Thread Content
There is a device made of duplex steel 2205, with a design temperature of 200 degrees. The medium in which it operates contains 5% hydrochloric acid; there are also other media containing chloride ions. 1. Which method specified in ASTM A262 is generally used for intergranular corrosion testing, and what are the acceptable criteria? Which standard specifies the criteria for compliance? If there are no qualified criteria specified in the standards, what are the qualified criteria set by the enterprise? 2. Conduct chloride stress corrosion testing in accordance with ASTM G36 – what are the acceptable criteria? Which standard specifies the criteria for compliance? If there are no qualified criteria specified in the standards, what are the qualified criteria set by the enterprise?
The principle is to ensure that the usage requirements are met!