Explain about post-weld heat treatment, Mechanical Engineering

Assignment Help:

Q. Explain about Post-weld Heat Treatment?

Post-weld Heat Treatment (PWHT) shall be in accordance with the Code. PWHT procedures, including properly identified charts or certified time-temperature line diagram shall be submitted to WorleyParsons Canada for review and approval.

Unless otherwise stated on the boiler data sheets, the rates of heating, cooling and holding temperature shall be as per the Code.

After PWHT is performed the equipment shall not be deformed by mishandling, storage, assembly or other procedures.


Related Discussions:- Explain about post-weld heat treatment

Plot plan alignment, Plot Plan Alignment Generally the process units w...

Plot Plan Alignment Generally the process units will be positioned in process flow order, with common utility blocks positioned to provide economical and effective services. P

Stress, what is hoop stress

what is hoop stress

GOVERNOR, IN CASE OF WILSON HARTNELL GOVERNOR THERE TWO MAIN SPRINGS AND TH...

IN CASE OF WILSON HARTNELL GOVERNOR THERE TWO MAIN SPRINGS AND THERE ARE ONE AUXILIARY SPRING. AND NATURE OF SPRINGS ARE TENSION ALWAYS HOW IT CAN POSSIBLE? WHEN SLEEVE WILL MOVE D

Gas turbine, what is the affect of ambient temperature on the performance o...

what is the affect of ambient temperature on the performance of GAS turbine

Ideal speed circuit, Ideal Speed Circuit ( 36 to 40 kmph ) : Motorcycle i...

Ideal Speed Circuit ( 36 to 40 kmph ) : Motorcycle is brought into this condition by raising the throttle valve and an incorporated jet needle. The air enters through the main pa

Governor, Use of hartung governor

Use of hartung governor

What are the need of a surface condensing, (a) What are the need of a surfa...

(a) What are the need of a surface condensing ? Write disadvantages and advantages of Jet condenser and surface condenser. (b) A surface condenser is designed to handle 10000 Kg

What is vertical spoilers, Q. What is Vertical Spoilers? Vertical Spoil...

Q. What is Vertical Spoilers? Vertical Spoilers - Use a three-start system of short vertical spoilers arranged in a helical pattern on the top third of the vessel. The exposed

Design standards - planning a new airport , Design Standards: The fol...

Design Standards: The following design standards for a modern airport facility catering to latest models of aircraft may be noted for guidance.

Determine the ratio between moment and load, Determine the ratio between mo...

Determine the ratio between moment and load: Any close coiled helical spring of circular section extends 1 mm while subjected to an axial load of W and then given an angular r

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