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

Determine magnitude of greatest shear stress, At a point in a rectangular b...

At a point in a rectangular block of elastic material under strain, there is a tensile stress of 50MPa on one plane and a compressive stress of 30 MPa on a plane at right angles. T

Welded pressure joint requirements, Q. Welded Pressure Joint Requirements? ...

Q. Welded Pressure Joint Requirements? The welded pressure joint requirements should be selected to be suitable to the need; however, the following shall apply: Welded joint

What is the pressure difference between the stations , (Bernoulli equation ...

(Bernoulli equation along a streamline) Water flows from station (1) to (2) around an expanding corner pipe, 3m high. The speed along the center streamline is 10 m/s at (1) and 5

Evaluate the diameter of bar, As a student engineer illustrate what design ...

As a student engineer illustrate what design consideration you would like to account for parts manufactured by machining and forging. A circular bas of 500mm length is hinghed f

Corrosion assessment of flare and vru system, Q. Corrosion Assessment of Fl...

Q. Corrosion Assessment of Flare and VRU System? The worst case scenario shall be considered during material selection of Flare KO Drums. Depending on the fluid composition ent

Triangular law of vectors, what is triangular law of vectors ?

what is triangular law of vectors ?

Types of holons, Types of Holons The four major types of holons are: ...

Types of Holons The four major types of holons are: Order holons Product holons Resource holons Staff holons Considering the cooperative aspect of the

Find out its centre of gravity, Find out its centre of gravity: A squa...

Find out its centre of gravity: A square plate of uniform thickness and density is bent along M 1 M 2 till corner C coincides along with centre C′. Find out its centre of gr

Welding, difference between pinhole and porosity

difference between pinhole and porosity

Describe stochastic printing, Question: (a) Describe stochastic printin...

Question: (a) Describe stochastic printing and provide three benefits of this printing technique. (b) Though offset printing is the most common form of mass printing and pub

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages