Consider the importance of the connection.
Consider these moisture and treatment chemical exposure conditions:
If the treatment chemical information is incomplete, Simpson Strong‑Tie recommends the use of a 300-series stainless-steel product. Also if the treatment chemical is not shown in the Corrosion Classification Table, then Simpson Strong‑Tie has not evaluated it and cannot make any recommendations other than the use of coatings and materials in the Severe category. Manufacturers may independently provide test results of other product information; Simpson Strong‑Tie expresses no opinion regarding such information.See Corrosion Resistance Recommendations and Classifications