Alloy steel materials A335 family

[morojlu]

Hi all,
What's The main difference between A335-P22 CL.1, CL.2 AND CL.3
regards,

Mehdi Orojlu

 

[NozzleTwister]

Where did you get these Class designations?

To my knowledge there are no Class designations associated with A335-P22. Nothing is mentioned in the current ASTM standard for this material.

Please advise.

NozzleTwister
Houston, Texas