[MW:18864] Re: OVERLAY CHEMISTRY

sir, 

      for my second question i would like to know at what actual height should i test  to get pure chemistry for all mention consumable , if anybody has tried at actual

           because my duplex E2209 by SMAW failed in carbon and nickel.

On Saturday, October 5, 2013 8:45:50 PM UTC+5:30, Vinod Dhotre wrote:

 i am preparing PQR for overlay with the following on SA516 GR 70

 

 

 1)DUPLEX E2209  (SMAW 3.15 dia)

 2) INCONEL ERNiCr-3       (MIG 1.2dia solid wire)

3) MONEL ERNICU-7 + ERCUNI (MIG 1.2 dia sloid wire)

4) DUPLEX ER2209 (MIG 1.2 dia solid wire)

 my question is 

1) is the pure chemistry of filler(consumable) must for qualifying CORROSION RESISTANT OVERLAY PQR

2) at what HEIGHT from base metal can I expect to get pure chemistry for above all consumable?

regards 

vinod

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