Dear Experts
-- To obtain Ferrite No. 3-5 FN After Welding of SA 240 TYP 304/304L Plate material which filler wire shall be used keeping below requirement under consideration :-
Mechanical Requirement :- As per ASME Boiler & Pressure Vessel Code.
Additional mechanical requirement Impact @ -196 degree celsius :- minimum Lateral Expansion 0.38 mm.
Welding Process : GTAW/SAW.
Service Type :- Cryogenic Service ( LNG Fuel Tank).
Approximate Job Dimension ;- THK 12 mm DIA. 5 meter Length - 30 meter.
Home Work Done :- I wish to do PQR With ER 310 Wire ( Cost Approx INR 550 Rs/Kg ).
OR With ER 320 ( BUT here I have doubt that may Be ferrite obtained after welding Varies from 0-3 FN. Cost is also a constraint Approx INR 3000 Rs/Kg).
Kindly Guide if any other filler wire is available & work done in past to obtain fulfill above requirement.
Regards
Atul Jha.
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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