Effect of heat input on corrosion resistance of welded joints in 10Kh21N5T austenitic-ferritic steel

Savonov, Yu N

doi:10.1080/09507118809447495

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1991

2021

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“…When manufacturing equipment operating in acidic corrosive medium, it is recommended to use austenitic surfacing materials. However, when working in an alkaline medium, the deposited coatings made of austenitic wires as filler material, undergo selective corrosion along the fusion line [2]. When using filler materials identical to the chemical composition base metal, selective corrosion occurs in the deposited weld metal.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Deposited Coating Chemical Composition during Operation in Urea Medium

Nazarko

Plomodyalo

2021

MATEC Web Conf.

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The article deals with the problem of optimization of the chemical composition of the deposited metal operating in the urea melt. To improve the technological properties and increase the resistance of the deposited metal against intergranular corrosion, manganese (0.5-1.8 pts. wt.) and niobium (0.3-1.8 pts. wt.) were introduced. The chromium content was varied in the range of 20-30 pts. wt., nickel – 3-8 pts. wt.

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Section: Introductionmentioning

confidence: 99%