Ferrite Test Requirement on the Test Coupon

[Biplab Pal]

Dear Experts.

We have a WPS for TP321 material tested 2005.

Client need additional Ferrite test on weld as per Client Std.

Can we use the previous test coupon for ferrite test or we can prepare a new coupon to do the additional Ferrite test.

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Thanks & Regards
Biplab Pal
Welding Inspector

E-mail:   bipla...@gmail.com
 
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[pgoswami]

Hi Biplab,

 

I presume the qualified PQR in 2005 was specific to this WPS. If so , and provided  the current welding requirements  are the same to what the 2005 WPS was written and the PQR was qualified, the balance  materials from the same test coupon may be used for additional ferrite testing.

 

However identification, traceability , relevance of all the documents to the current requirements has to be evaluated, and your client has to concur, before one pursues the same path.

 

Could you be specific, on what was done vs., what's the additional requirement?

 

Thanks.

 

 

Pradip Goswami, P.Eng,IWE

Welding & Metallurgical Engineer/Specialist

Ontario, Canada

pgos...@quickclic.net

pradip....@gmail.com

 

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Sent: Thursday, July 23, 2015 3:25 AM
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Subject: [MW:23185] Ferrite Test Requirement on the Test Coupon

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[RAJENDRA PRASAD TRIPATHI]

Copper block can be used for ferrite measurement . If you had been prepare standard chemical pad in controlled parameters ,can be analysised by WRC diagram .

Thanks

Vinay Tripathi

+919643886124(India)