RT Film Stainless steels
RT Film Stainless steels
(OP)
hello there,
anyone who knows where I can find some images of radio film with a defect of root welding called " rochage " in french and " sugaring " or oxidation in english ?
is this type of defect easy to interpret on RT Films ?
GTAW of stainless steel tubes butt weld and full penetration and inadequately protected by gas backing...
thank you
anyone who knows where I can find some images of radio film with a defect of root welding called " rochage " in french and " sugaring " or oxidation in english ?
is this type of defect easy to interpret on RT Films ?
GTAW of stainless steel tubes butt weld and full penetration and inadequately protected by gas backing...
thank you





RE: RT Film Stainless steels
Not sure where to find - you could try the Agfa site, I remember a few years ago they had reference films of known defects.
Oxidation is generally very easy to see on the radiograph - unfortunately discolouration (especially for DSS & SDSS) cannot be seen on the radiograph.
Hope that helps,
Regards,
DD
RE: RT Film Stainless steels
while searching for a link i found this : http://www.ge-mcs.com/download/x-ray/GEIT-30158EN_... : very interesting but not yet found anything about " sugaring " or " root caking ".
still looking for
RE: RT Film Stainless steels
RE: RT Film Stainless steels
RE: RT Film Stainless steels
RE: RT Film Stainless steels
not found yet, as suggested by weldstan, they should produce an oxidized coupon and perform a RT shot to get a reference sample.
RE: RT Film Stainless steels
we have done a lot of RT images with this type of internal oxidation caused by lack of backing gas and please find one example attached below
RE: RT Film Stainless steels
i followed the link, the RT film is explicit !
not sure any operator can do it...