Software for creation of pipe classes and mechanical calculation of piping components. Read more ...


Software for the design and mechanical calculation of pressure vessels and heat exchangers. Read More ...


The presentation shows the calculation of a standard piping flange in the VES application. Read more ...

This has to do with the 'N' at the end ofr P355N. The standard EN10028-3 says:

6.1 Classification

6.1.1 The steel grades covered by this European Standard are given in four qualities:


a) the room temperature quality (P ... N),
b) the elevated temperature quality (P...NH),
c) the low temperature quality (P...NL1) and
d) the special low temperature quality (P...NL2).

Use P355NH in case of design conditions with a warmer temperature than room temperature.

Piping Design

Advanced Piping Design book from Gulf Publishing Company for which Red-Bag provided the co-author.

Overview of Library

The Library section of the Red-Bag website contains information for the process industry. Read more ...


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InIPED, provider of choice for high quality training. Read more ...

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