Hello Experts,
As per ASME B31.3 2016 table 331.1.3, P1 materials are exempted to mandatory PWHT and for nominal wall thickness above 25mm an additional pre-heat of -95deg C is required.
Is the exemption only applicable provided the provisions in paragraph 331.2.2 "Exceptions to Basic...
Dear Experts,
I would like to get your professional opinions/answers with regard to subject.
According to Russian Regulation:
"Positive material identification shall be performed for all welded joints of alloy steel pipelines of Category I, or
transporting media of Group A(a), or operating...
Dear Experts,
Hello again, regarding Integral attachment for piping like support shear lugs(welded to pipe), any specific NDT requirements for this welds according to ASME B31.3?
Regards,
Delikado
Expecting life to be fair on you because you're a good person, is like expecting an angry bull...
Dear Experts,
Our client has this requirement in their WPS regarding pre-heating of A333Gr.6 and A671 material(pipe) with nominal wall thickness of 20mm-50mm to min.temp of 100-120 deg.C and pre-heat maintenance is also required by using resistance heaters/gas torches, maximum interpass...
Dear Experts,
As per Russian Standard GOST 32569:2013 paragraph6.8.1 The distance between the adjacent annular butt-welded joints shall not be less than a threefold value of the nominal thickness of the parts to be welded, but not less than 100 mm for diameters up to and including 219 mm, not...
Any recommendation on how to practically repair/correct a banana-warped pipe due to weldolet welding?Heat treatment? and does anybody knows about allowable distortion mentioned in ASME or EN? I searched already but was not successful though. I would appreciate for any advice.
