Tests on Fabricated Pipes

Evaluation of Bleach Plant Piping Materials (14007)

By Arthur H. Tuthill and A. Garner, reprinted from Tappi Journal, Jun 1990. Tests on fabricated pipes in the bleach plant show that further work is needed to establish an inside root pass procedure which avoids the formation of unmixed zones. Possible options include automatic gas tungsten arc welding, a greater root gap, or consumable inserts.

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