WRC 428:1998

$41.60

Unmixed Zone in Arc Welds: Significance on Corrosion Resistance of High Molybdenum Stainless Steels

Published By	Publication Date	Number of Pages
WRC	1998	108

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Description

The nature and the effect of the unmixed zone in dissimilar fusion welds, especially its significance with regard to corrosion resistance, has been studied in this Welding Research Council-sponsored program. Three types of super-austenitic stainless steel (high Mo) (AL-6XN, 254SMO and 654SMO) and five types of fully austenitic nickel-based weld filler metals (Inconel 625, C-22, C-276, 686CPT and P16) were evaluated. Shielded metal arc (SMA), gas metal arc (GMA), gas tungsten arc (GTA) (filler added), and gas tungsten arc (GTA) autogenous welding processes were used for fabricating weldments of each super-austenitic stainless steel. The employment of these welding techniques provided a full range of unmixed zone formation.

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