Post Weld Heat Treatment
Key Facts
Abbreviation
PWHT
Pronunciation
/poʊst wɛld hit ˈtritmənt/
Category
Business
Related Field
Products
Examples in Context
- This paper analyzed the welding capability of the new type heat resistant steel and discussed its welding technology, measures of argon filling and the control points of post weld heat treatment.
- The method of internal combustion with high speed jet nozzle used in the local whole post weld heat treatment of spherical tanks was reviewed.
- When post weld heat treatment is required, the PWHT may be performed by using an approved subcontractor.
- A direct quantitative method has been proposed to assess the effectiveness of stress relief for tubular joint in local post weld heat treatment ( PWHT ).
- Experiment results of welding residual stress and the stress after local post weld heat treatment are compared with numerical simulation.