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PWHT for 13CrNi45

PWHT for 13CrNi45

PWHT for 13CrNi45


what is the PWHT regime for 13CrNi4-5 material as per ASME?


RE: PWHT for 13CrNi45

1) Determine the material P-number classification from ASME Section IX.
2) Ascertain the governing construction code. Go to the section describing post-weld heat treatment and look up the requirements for P-number your welded construction falls under.

"If you don't have time to do the job right the first time, when are you going to find time to repair it?"

RE: PWHT for 13CrNi45

OK Asme section IX gives P number 4 for CrNi545 material-table QW/QB-422. What about the temperature and time of heating from where do we get it?

RE: PWHT for 13CrNi45

Step 1 complete, now do step 2.

RE: PWHT for 13CrNi45

Dont forget step 3, pay for the eng-tips course fee.

- You never get what you expect, you only get what you inspect.

RE: PWHT for 13CrNi45

there is also a table in the ASME which determines the pwht in function of pnºs

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