where expertise comes together - since 1996 -

The Largest Open Access Portal of Nondestructive Testing (NDT)

Conference Proceedings, Articles, News, Exhibition, Forum, Network and more

where expertise comes together
- since 1996 -

303 views
Technical Discussions
Nafis
Nafis
15:09 Aug-21-2019
Lead Marker for RT

Hi guys,

i have a question whether there are other options other than lead marker for RT works..

i am wondering whether there is a type of pen(i literally mean pen) that contain lead inks/filler to replace the conventional lead markers that are widely used in this industry.

thanks in advance guys. cheers..

 
 Reply 
 
SF
SF
08:38 Aug-22-2019
Re: Lead Marker for RT
In Reply to Nafis at 15:09 Aug-21-2019 (Opening).

SFD

 
 Reply 
 
Matthias
NDT Inspector, CEO
Dreifeld Materialprüftechnik, Germany, Joined Sep 2005, 105

Matthias

NDT Inspector, CEO
Dreifeld Materialprüftechnik,
Germany,
Joined Sep 2005
105
10:40 Aug-22-2019
Re: Lead Marker for RT
In Reply to Nafis at 15:09 Aug-21-2019 (Opening).

I don't think so since its toxic.

 
 Reply 
 
Godfrey Hands
Consultant,
PRI Nadcap, United Kingdom, Joined Nov 1998, 307

Godfrey Hands

Consultant,
PRI Nadcap,
United Kingdom,
Joined Nov 1998
307
09:24 Aug-26-2019
Re: Lead Marker for RT
In Reply to Nafis at 15:09 Aug-21-2019 (Opening).

Hi,
I have seen radiographers use a typed or printed ID info on a transparent sheet, and the film when exposed to radiation has a small area (same size as the ID) covered with lead. After exposure to radiation, the film cassette was opened in the dark room and then the ID sheet was placed on the unexposed area and just that small ID bit exposed to light in a device.
This then transferred to ID info onto the film.

You have to be careful not to mix films up, but it is an alternative to using lead for ID.
You still need to use lead markers when testing larger areas with multiple shots (such as welds)


Godfrey

 
 Reply 
 

Product Spotlight

TraiNDE UT

TraiNDE UT is a virtual tool associated with a signal database which simulates real inspection con
...
ditions for numerous applications (Type A/V1 block, DAC block, welds and plates).
>

Echomac® PA Tube Weld Tester

The new robotic Echomac® PA TW is an operator friendly test system for detecting weld zone defects
...
in tube and pipe caused by scarfing or welding processes. Electronic scanning ensures that the entire weld zone is covered without the need for mechanical movement or operator adjustment.
>

NEW Wheel Type Phased Array Probe

DOPPLER NEW Wheel Type Phased Array Probe, more stable, new tyre makes lesser acoustic attenuation
...
, much lighter makes easier to handle, more slim size, magnetic and mechanical encoder optional etc...more
>

Eddy Current inspection : RotoETscan Rotating Head

The rotating head RotoETscan detects the presence of longitudinal surface or sub surface defects a
...
t high speed. The rotating head is often installed directly on the production line. It is generally dedicated to the control of long products such as tubes, bars and wires, made of ferrous or non-ferrous material. It can also be used for inspection of small parts (billets).
>

Share...
We use technical and analytics cookies to ensure that we will give you the best experience of our website - More Info
Accept
top
this is debug window