Anybody can describe the RT1.RT2.RT3.RT4 in an easy way.
Regards
azali
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RT-1
Long Seam (A), Circum Seam(B), Nozzle to Flange(C) & Nozzle to Shell/DE(D) category Joint - Full Radiography for thickness above
38 mm - Carbon steels(P1)
19mm - LAS (P3)
16mm - LAS (P4)
0 mm - LAS (P5A,5B&5C)
For Stainless steel & Non-ferrous refer particular sections of Code.
Exception to the Above :
1. Category B & C butt welds associated with Nozzles & communicating Chambers that neither exceeds NPS 10 nor 29 mm Wall thickness
2. Category D Joint forming an Corner weld instead of LIP Butt welds.
RT-2
Category A & D Butt welds - Full Radiography
Category B&C Joint where intersects with Category A joint in Shell/DE - Spot radiography
RT-3
J.GERALD JAYAKUMAR
00919344954677
--- On Thu, 2/17/11, Azhar Ali <aab5...@yahoo.com> wrote: |
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RT-3
Category A,B,C& D joints with Joint Efficiency of 1.00 or 0.85 - Spot Radiography
Spot Radiography - One Radiography Spot for 15 metre of weld
RT-4
Where no markings is specified or part of the Vessel radiographed |
J.GERALD JAYAKUMAR
00919344954677
--- On Thu, 2/17/11, Azhar Ali <aab5...@yahoo.com> wrote: |
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