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Quantity of Required Impacts per B31.3

Quantity of Required Impacts per B31.3

Quantity of Required Impacts per B31.3

(OP)
How many impact tests are required per B31.3. the PQR is multi-process - TIG,FCAW and SAW. Do I need to do impacts for each process or do I just need to do Weld Metal and HAZ.

Thanks

RE: Quantity of Required Impacts per B31.3

iam42;
If you are42, review B31.3 Table 322.2.2. and Table 323.3.1. You will find answers to your questions.
 

RE: Quantity of Required Impacts per B31.3

(OP)
metengr,

I have read and re-read table 323.3.1. Note (3) from this Table states that three specimens from the weld metal and three from the HAZ are all that is required. I do not see any mention of taking Impacts from each welding process.

I am interpreting this as only two sets of Impacts are required. Am I reading this correctly?

Thanks

RE: Quantity of Required Impacts per B31.3

iam42;
I would qualify the WPS in accordance with ASME Section IX requirements and read Note 2 in Table 322.2.2.

RE: Quantity of Required Impacts per B31.3

(OP)
Metengr,

Do you mean Table 323.2.2. I cannot find Table 322.2.2

Thanks

RE: Quantity of Required Impacts per B31.3

Yes, sorry for the typo.

RE: Quantity of Required Impacts per B31.3

(OP)
Thank Metengr

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