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Technical Discussions
IceClampers
IceClampers
01:39 Aug-01-2003
UT of TKY Connections

Looking for info. on UT testing TKY connections on piping (tubular) and structural steel connections.


 
 Reply 
 
Manuel Haces
Director, - Wire rope inspection
Haces Inspección del Noreste and Wire Rope Inspection, Mexico, Joined Jun 2002, 123

Manuel Haces

Director, - Wire rope inspection
Haces Inspección del Noreste and Wire Rope Inspection,
Mexico,
Joined Jun 2002
123
06:24 Aug-02-2003
Re: UT of TKY Connections
----------- Start Original Message -----------
: Looking for info. on UT testing TKY connections on piping (tubular) and structural steel connections.
------------ End Original Message ------------

There is plenty of information in API RP 2A and also in AWS D1.1, if you need something more, send me an E Mail, we have many years working in that field. Regards. Manuel


 
 Reply 
 
Richard D. Roberts
Engineering, Executive Managment
Quest Integrity Group, USA, Joined Nov 1998, 78

Richard D. Roberts

Engineering, Executive Managment
Quest Integrity Group,
USA,
Joined Nov 1998
78
06:25 Aug-02-2003
Re: UT of TKY Connections
You may want to acquire a copy of the API-RP-2X Code. This will provide you recommended inspection methods (including UT) for TKY type joint configurations. I believe you can purchase the code from the API web site.

Regards, Rich



 
 Reply 
 
rajesh bose
Engineering, NDT Engineer
BP, USA, Joined Aug 2001, 3

rajesh bose

Engineering, NDT Engineer
BP,
USA,
Joined Aug 2001
3
06:36 Aug-02-2003
Re: UT of TKY Connections


Refer to API RP 2X for UT of TKY joints


----------- Start Original Message -----------
: Looking for info. on UT testing TKY connections on piping (tubular) and structural steel connections.
------------ End Original Message ------------




 
 Reply 
 
John Woollven
John Woollven
07:48 Aug-12-2003
Re: UT of TKY Connections
----------- Start Original Message -----------
: Looking for info. on UT testing TKY connections on piping (tubular) and structural steel connections.
------------ End Original Message ------------

I see that you have been referred to API RP2X and D1.1, but don't forget that in Canada (I note your e-mail address) CSA W59 has an offshore supplement (W59 S1-M1989) which also describes UT of T K and Y joints.


 
 Reply 
 
IceClampers
IceClampers
00:00 Aug-13-2003
Re: UT of TKY Connections
Well I was wondering more specifically about performing the actual inspections. I know that most techs have a centre punch mark punched at 100mm from the root but there is no mention of this in CSA offshore supplement. I would like some tips and pointers from techs if possible on inspecting these joints.


----------- Start Original Message -----------
: : Looking for info. on UT testing TKY connections on piping (tubular) and structural steel connections.
: I see that you have been referred to API RP2X and D1.1, but don't forget that in Canada (I note your e-mail address) CSA W59 has an offshore supplement (W59 S1-M1989) which also describes UT of T K and Y joints.
------------ End Original Message ------------




 
 Reply 
 
M santhosh Kumar
NDT Inspector,
Kalva Engineers private limited, India, Joined Jan 2012, 1

M santhosh Kumar

NDT Inspector,
Kalva Engineers private limited,
India,
Joined Jan 2012
1
10:24 Jul-07-2012
Re: UT of TKY Connections
In Reply to Manuel Haces at 06:24 Aug-02-2003 .

Thanks for your concern Sir, I would like to know in detail about API RP 2A and AWS D1.1, especially UT On TYK Connections.
Thanking you,
Santhosh

 
 Reply 
 
Andrew Cunningham
NDT Inspector
Canada, Joined Jun 2008, 238

Andrew Cunningham

NDT Inspector
Canada,
Joined Jun 2008
238
20:56 Jul-08-2012
Re: UT of TKY Connections
In Reply to IceClampers at 01:39 Aug-01-2003 (Opening).

So you need some practical tips and guide that are not found in the regular books. Welcome to the real world of ultrasonics. (There’s a book name in there somewhere)
There hardest to inspect is the Y pipe to pipe sat-on construction welded joint. This is due to its ever changing geometry and sensitivity.
Draw to scale 5 cross sections 0® 45® 90® 135® and 180® you can get away with 3 but 5 is better.
Sensitivity is more complex,
1st set the sensitivity dB as per code.
2nd place the transducer on the pipe longitudinally,
3rd increase the gain so that you have some reflection from the ID. This is known as the” ID roll” it is a guide to position and sensitivity,
4th Orbit the joint keeping transducer squire to the weld. The ID roll will drop or vanish as the transducers contact surface changes. Increase the gain to bring back the ID roll. The ID roll will change its position as the geometry changes. But it is a constant 100% of the pipes thickness, The ID roll shall never be allowed to move to above 30% across the time base, if it does, adjust your test range. I say 30% because you may need to work over full skip.
5TH scanning around the weld, the angles of the probe will change. Using the ID roll as 100% TWT and multiple’s thereof, you can position the reflector by %.
6TH refer to all reflectors to the original dB + transfer as per code.

 
 Reply 
 
Jon Wallis
NDT Inspector, -
Netherlands, Joined Feb 2010, 626

Jon Wallis

NDT Inspector, -
Netherlands,
Joined Feb 2010
626
07:25 Jul-09-2012
Re: UT of TKY Connections
In Reply to Andrew Cunningham at 20:56 Jul-08-2012 .

In addition to what Andrew says, it helps when you make your drawing to use a 'mimic'. This is comb-like device with lots of needles in a row and it will give you an accurate pattern of the weld profile at a particular position.
You cannot even start the examination if you don't know the weld geometry - this is particularly so for TKY joints, if possible, go and check the weld fit-ups prior to welding.

 
 Reply 
 
Akash waghmare
Akash waghmare
06:25 Nov-13-2019
Re: UT of TKY Connections
In Reply to Manuel Haces at 06:24 Aug-02-2003 .

I need to know the procedure of doing tky joints and how draw sketches and acceptance

 
 Reply 
 
FRANCOIS LACHANCE
Engineering,
Sonatest, Canada, Joined Oct 2016, 4

FRANCOIS LACHANCE

Engineering,
Sonatest,
Canada,
Joined Oct 2016
4
14:02 Nov-13-2019
Re: UT of TKY Connections
In Reply to Akash waghmare at 06:25 Nov-13-2019 .

Akash,

The new wave from sonatest could surely simplify your drawing requirement for TKY weld configuration
Check the video and call me for more information if needed!

https://www.youtube.com/watch?v=Hkm2IzUq8sc

Regards

 
 Reply 
 
Daniel Braun
Daniel Braun
09:32 Nov-18-2019
Re: UT of TKY Connections
In Reply to Akash waghmare at 06:25 Nov-13-2019 .

refer to
http://www.sonotronndt.com/Fillet_Welds.htm

 
 Reply 
 

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