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

Two possible materials for casing, Two Possible Materials for Casing T...

Two Possible Materials for Casing Two possible materials for the casing would be a. Polypropylene or b. An aluminium 1/3 per cent silicon-casting alloy (LM6). Conclu

MOS., WHY SHEAR STRESS IS NOT MAXIMUM AT THE NEUTRAL AXIS IN TRIANGLE...ITS...

WHY SHEAR STRESS IS NOT MAXIMUM AT THE NEUTRAL AXIS IN TRIANGLE...ITS MAX IN ALL OTHER CASES BUT Y NOT IN TRIANGLE?#

The goods market and the is curve, Goods Market and the IS Curve The IS...

Goods Market and the IS Curve The IS curve shows the combinations of interest rates and levels of output such that planned spending equals income. In order to derive the IS cur

Determine the bending stress, The cantilevered beam made from the Z section...

The cantilevered beam made from the Z section is subjected to the two loadings as shown. (a)  Determine and show the orientation of the neutral axis on the cross section (angle

State the types of foundations, State the types of foundations We saw ...

State the types of foundations We saw the different types of foundations commonly adopted for specific situation. In actual practice the situations are not very simple both in

Thermodynamics, show that energy is property of system

show that energy is property of system

Steps for decarbonise the engine , The following steps are taken to decarbo...

The following steps are taken to decarbonise the engine : Remove the exhaust muffler. Disconnect the spark plug. Remove the intake pipe bolt. Loosen the bolt de

Comprehensive awareness, Comprehensive Awareness: Successful entrepreneurs...

Comprehensive Awareness: Successful entrepreneurs should have ability to comprehend complex situations that may include planning, making strategic decisions, and working on multip

Flange assembly with bolt elongation measurement, Q. Flange Assembly with B...

Q. Flange Assembly with Bolt Elongation Measurement? Bolt elongation measurement may be used, with COLT engineering approval, at flanges where Hydraulic Bolt Tensioners are imp

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