Saturday, February 15, 2020

[MW:30483] Filler grouping as per API 1104

Dear experts,

I have a PQR qualified for branch welding as per API 1104.  Low hydrogen elcerodes (ER 70S2 and E7018-1) were used for branch welding as specifications calls for it.
Now can I develop a WPS  using ER70s2 and E7018? 
I am unclear with the clause 5.4.2.6 b) in API 1104. 

Kindly advise 

Thanks and regards
TDK Yokesh 

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