PSK 4217 - Pipe class E250C2B for pressure purposes. Seamless Mo-alloyed steel pipe for elevated temperatures

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This standard specifies the materials and dimensions of the pipes and fittings belonging to the pipe class E250C2B, as well as the pressure rating of the pipe class. In this pipe class the allowable pressure at temperature 20 °C is 250 bar and the allowable temperature range is 10… 530 °C. Using the pipe class in creep range requires a regular surveillance of creep exhaustion for the material, see chapter 5.The definition of the pipe classes is introduced in
standard PSK 4201. Additional requirements to be
taken into account in piping design and manufacturing
are defined in standard SFS-EN 13480 parts 2…5 or
other product standards.

Info

Standard code

PSK 4217

Standard name

Pipe class E250C2B for pressure purposes. Seamless Mo-alloyed steel pipe for elevated temperatures

Edition

2nd edition

Published

16.2.2021

Corrected

-

Technical group

42 Pipe classes

Work groups

PSK 42/5 Extensions of pipe classes

Language

Finnish/English

Pages including appendixes

16

Other

-

Edition history

1st edition/2017

Keywords

class E250C2B elevated Mo-alloyed Pipe pressure purposes Seamless steel temperatures