PWHT Requirements As Per UCS-56-1 General Notes b (1) & (2) 1

• Jan 19, 2024

1
• #2

Maslov

Mechanical

Oct 18, 2023

37

If the nominal thickness exceeds 1-1/4" you must preheat your welds, or else you have to do PWHT.

If the nominal thickness exceeds 1-1/2" you must ALWAYS do PWHT.

 

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• Jan 19, 2024

• #3

SnTMan

Mechanical

Jan 22, 2005

6,805

This is one of those rare cases where the Code language reads exactly as it means

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand

 

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• Jan 23, 2024

• Thread starter
• #4

SmallInfo

Petroleum

Oct 30, 2017

104

Thanks Maslov.
SnTMan, its clear now.

 

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