Question regarding the suffix for material information in pipeline numbering
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I would like to ask everyone what the letter F in LS2-511001-400-B01F-H means, as well as what the letters D in SG-511010-900-D46D-H and A in H-511002-300-D02A mean. I’ve looked up a lot of information but was unable to find the answers
You need to ask the design agency responsible for the drawings; it is likely related to the pipe grade, and different design agencies use different standards for pipe grades. Please look for the design specifications or grade table for that project.
This is the pipe grade code designated by the design firm itself; you can only ask the design firm about it, as asking anyone else is useless.
Pipe grade, indicating the sequence number F