The monster coupon is a fairly common test given because it qualifies for a greater range of diameters and thickness. This video shows some techniques for the stick fill and cap and body positioning tips.
Andrew's company is seeing welding procedures for open root 7016. Before tackling an open root pipe with 7016, some might benefit from a few practice plates. Fitup, featheriing tack welds, arc length, rod angle, are discussed.
While downhill Welding using XX10 electrodes is still very common,The Oil and Gas industry is seeing more Low Hydrogen Root Pass welding procedures.
Since it is a far less common procedure, this video should help anyone get better at open roots with low hydrogen electrodes