Requirements for vessels with thickness, Mechanical Engineering

Assignment Help:

Q. Requirements for vessels with thickness?

The following additional requirements are applicable, as specified,  to Carbon Steel and Low Alloy steel pressure vessels with main shell thicknesses greater than 50.8 mm:

  • Prior to release from the supplier, all plate materials shall be Ultrasonically Examined (UT) in accordance with SA-435 or SA-578.
  • The carbon content for Carbon Steel plates and forgings shall be limited to 0.30% max.
  • All vessel connections shall be flanged.
  • All nozzles shall be of the integrally forged, self-reinforcing type.
  • Reinforcing pads for opening reinforcement are not permitted.
  • Nozzle internal projections shall be flush with the contour of the vessel.
  • 100% radiography (RT) shall be carried out on all category A, B, and C butt welds.
  • Radiography shall be carried out after PWHT.
  • 100% UT shall be carried out on all forgings over 75 mm in thickness.
  • 100% UT shall be carried out on all category D welds.
  • 100% Magnetic particle examination (MT) shall be carried out on all cut edges of pressure containing parts including all nozzle openings.
  • 100% MT shall be carried out after PWHT on all areas from which temporary attachment welds have been removed.

Related Discussions:- Requirements for vessels with thickness

Spark plug -electrical system , Spark Plug: A spark jumps between the elec...

Spark Plug: A spark jumps between the electrodes of the spark plug when the voltage developed by the ignition system reaches the required value. This electrical spark occurs at a

Find out the moment of inertia of an annular area, Find out the moment of i...

Find out the moment of inertia of an annular area: Find out the M. I. of an annular area among two circles where difference of radius is quite small, around any centroidal axi

Work done - thermodynamics, Work done - thermodynamics: A free expansi...

Work done - thermodynamics: A free expansion process is a process in which system expands freely without experience any resistance. I.E. is constant at the time of state chang

Strength of materials, simply supported beam subjected to point loads resul...

simply supported beam subjected to point loads results

[email protected], how i can know moulair plant calculation?

how i can know moulair plant calculation?

Fourth gear position - shifting of gear, Fourth Gear Position: When g...

Fourth Gear Position: When gear M4 on the main shaft is in mesh with gear C4 on the countershaft then this is known as fourth gear position. The free gear M4 rotates with the

Flat capacity strategy, What is the total value added by the new workshop i...

What is the total value added by the new workshop in Year 1 of the 5-year plan? Assuming that the average quarterly demand is maintained over the remaining years of the 5-year p

Determines the effect of price reduction, Determines the effect of price re...

Determines the effect of price reduction: In order to enhance the sales, management of Quality ice-cream company decided to give discounts in the sale of one and half liter pa

#title.cutting tool life, what is relation between tool life and cutting sp...

what is relation between tool life and cutting speed?

Design transfer facilities in plant, Q. Design Transfer Facilities in plant...

Q. Design Transfer Facilities in plant? Transfer facilities (e.g. pumps, piping, and conveyers) must be arranged so that no leaks can escape the confines of the bund / dike, an

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd