Dear All,
We have a Partial Cladded Vessel("U" Stamp Vessel) which we are intend to fabricate at our Manufacturing shop and is designed for Sour Service.
The Overall thickness is 30 mm.
The Partial Claddded Area has the -
Base material = 27 mm thickness , SA 516 Gr. 70
Clad Material = 3mm min. , Incolloy 825.
One of the Dish End is a Cladded part(Explosion Bond Method) which we are planning to off load work to a "U" Stamp Manufacturer Shop due to limited forming availablity at our Fabrication Facility.
My Question -
1) Does this shop need to have ASME "U" Stamp?
2) Do we require a Partial Data Report from this Manufacturing Unit duly signed by Autorised Inspector?
3) Do we require this Manufacturing Unit to be Approved by requesting them to submit Pre-Approval Document?
4) What all min. Documents are required to be submitted in accordance to ASME Sec VIIII Div 1.
5) The Contract for this Vessel was signed by Client on June 2010. Can we use ASME Sec VIIII Div 1, 2007 with 2009 Addenda or we have to follow ASME 2010?
Please do provide relevant Clause from ASME supporting the above Queries.
Hope to see as usual opinion. Also someone can share QAP of similar use.(SA 516 Gr. 70 + Clad , Incolloy 825.) and relevant WPS.
Thanks & Regards
Vino P Varghese
Doha-Qatar
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