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Technical Discussions
Wolfgang Graaf
Wolfgang Graaf
00:59 Nov-07-2004
ToFD testing

I am the QA Manager of W.E.Smith Hudson, We are Australias leading manufacturer of Pressure vessels and heat transfer equipment.

We wish to upgrade our NDT facility to test weldments more accurately as well as to archive also some time savings.

We need some help in deciding what equipment to buy to preform ToFD testing of welds on vessels which have been internally overlayed with stainless steel.

We would be very interested in methods to examine not only butt welds but one sided weldments too ( ie. nozzle neck to shell welds).

On of the requisites is, that the supplier must be able to provide support in Australia.

We are also interested in the application of phased array testing the equipment.

Any assistance would be very much appreciated.

Wolfgang Graaf


 
 Reply 
 
Stefan Medenbach
NDT Inspector
Müller und Medenbach GmbH, Germany, Joined Mar 2000, 1

Stefan Medenbach

NDT Inspector
Müller und Medenbach GmbH,
Germany,
Joined Mar 2000
1
07:42 Nov-07-2004
Re: ToFD testing
----------- Start Original Message -----------
: I am the QA Manager of W.E.Smith Hudson, We are Australias leading manufacturer of Pressure vessels and heat transfer equipment.
: We wish to upgrade our NDT facility to test weldments more accurately as well as to archive also some time savings.
: We need some help in deciding what equipment to buy to preform ToFD testing of welds on vessels which have been internally overlayed with stainless steel.
: We would be very interested in methods to examine not only butt welds but one sided weldments too ( ie. nozzle neck to shell welds).
: On of the requisites is, that the supplier must be able to provide support in Australia.
: We are also interested in the application of phased array testing the equipment.
: Any assistance would be very much appreciated.
: Wolfgang Graaf
------------ End Original Message ------------

Dear Wolfgang,
You will find several UT-Systems, which are able to perform TOFD. We decided a few month ago to buy a P-Scan UT System. It is easy going and it has the TOFD possibilty. You will find distributors in australia, I think. Further Information about the system you will find at: www.force.dk
They offer a lot of fine scanners as well.
Best regards
Stefan



 
 Reply 
 
Simon Amallraja
Simon Amallraja
08:28 Nov-07-2004
Re: ToFD testing
----------- Start Original Message -----------
: I am the QA Manager of W.E.Smith Hudson, We are Australias leading manufacturer of Pressure vessels and heat transfer equipment.
: We wish to upgrade our NDT facility to test weldments more accurately as well as to archive also some time savings.
: We need some help in deciding what equipment to buy to preform ToFD testing of welds on vessels which have been internally overlayed with stainless steel.
: We would be very interested in methods to examine not only butt welds but one sided weldments too ( ie. nozzle neck to shell welds).
: On of the requisites is, that the supplier must be able to provide support in Australia.
: We are also interested in the application of phased array testing the equipment.
: Any assistance would be very much appreciated.
: Wolfgang Graaf
------------ End Original Message ------------

Dear Mr. Wolfgang,

We are the Technical Coordinators for Force Technology,Denmark for India. We will be able to support you for your reqt. We recommend P Scan system with various scanners to suit to your applications.

kindly send your complete reqt with all details, so that we can suggest you the suitable scanner to you.

Mahindra Intertrade Ltd,
Mahindra House, TSR Complex,
1-7-1, Parklane,
Secunderabad - 500 003.
India.

Ph: 0 91 40 2781 8928.
Fax: 0 91 40 2781 9604.
Mobile: 0 91 98663 43309

D.Simon Amallraja - Assistant Manager - NDT.


 
 Reply 
 
Ed Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1307

Ed Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1307
00:25 Nov-08-2004
Re: ToFD testing
Wolfgang:
There are a variety of equipment suppliers that can provide you with options. RD Tech has a new unit that has phased array, TOFD and eddy current array capabilities in a single battery-operated portable unit.

But you should keep in mind the Codes you have to work with. Technology is now out-pacing the Codes in that we have managed solutions and improvements (speed and repeatability) but the Codes are often only worded for manual UT. TOFD, even though not so new, is often having difficulties finding acceptance in construction stages due to the Codes not incorporating its use. This situation is changing but just a caution to keep it in mind as not all Codes are there yet.

Your cladding conditions are also a consideration as to the techniques you would select. These may depend on the method of cladding overlay and if you want to find flaws in just the overlay or also in the welds?

Regards
Ed

----------- Start Original Message -----------
: I am the QA Manager of W.E.Smith Hudson, We are Australias leading manufacturer of Pressure vessels and heat transfer equipment.
: We wish to upgrade our NDT facility to test weldments more accurately as well as to archive also some time savings.
: We need some help in deciding what equipment to buy to preform ToFD testing of welds on vessels which have been internally overlayed with stainless steel.
: We would be very interested in methods to examine not only butt welds but one sided weldments too ( ie. nozzle neck to shell welds).
: On of the requisites is, that the supplier must be able to provide support in Australia.
: We are also interested in the application of phased array testing the equipment.
: Any assistance would be very much appreciated.
: Wolfgang Graaf
------------ End Original Message ------------




 
 Reply 
 
JOhn
JOhn
05:34 Nov-08-2004
Re: ToFD testing
----------- Start Original Message -----------
: : I am the QA Manager of W.E.Smith Hudson, We are Australias leading manufacturer of Pressure vessels and heat transfer equipment.
: : We wish to upgrade our NDT facility to test weldments more accurately as well as to archive also some time savings.
: : We need some help in deciding what equipment to buy to preform ToFD testing of welds on vessels which have been internally overlayed with stainless steel.
: : We would be very interested in methods to examine not only butt welds but one sided weldments too ( ie. nozzle neck to shell welds).
: : On of the requisites is, that the supplier must be able to provide support in Australia.
: : We are also interested in the application of phased array testing the equipment.
: : Any assistance would be very much appreciated.
: : Wolfgang Graaf
: Dear Mr. Wolfgang,
: We are the Technical Coordinators for Force Technology,Denmark for India. We will be able to support you for your reqt. We recommend P Scan system with various scanners to suit to your applications.
: kindly send your complete reqt with all details, so that we can suggest you the suitable scanner to you.
: Mahindra Intertrade Ltd,
: Mahindra House, TSR Complex,
: 1-7-1, Parklane,
: Secunderabad - 500 003.
: India.
: Ph: 0 91 40 2781 8928.
: Fax: 0 91 40 2781 9604.
: Mobile: 0 91 98663 43309
: D.Simon Amallraja - Assistant Manager - NDT.
------------ End Original Message ------------

I have to agree with Ed on this one. The RD Tech system can do what you are looking for.


 
 Reply 
 

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