post weld heat treatment (PWHT)

[ebi123]

could someone explain how "post weld heat treatment (PWHT)" is done ?
and if someone has clip(s) or picture(s) about this topic please Introduce me…tank you

 

[metengr]

ebi123;
You can easily Google this information using key words, like application of PWHT or equipment for application of PWHT .....

http://www.wtia.com.au/pdf/GN6 PWHT.pdf

http://www.jflf.org/pdfs/papers/keyconcepts4.pdf

http://www.thermalhire.com/heat-treatment-equipment.asp