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Zaštita materijala
2014, vol. 55, iss. 1, pp. 33-37
article language: English
document type: Scientific Paper
published on: 13/05/2015
doi: 10.5937/ZasMat1401033B
Analysis of corrosion damage in a boiler made of AISI 304L stainless steel
Institute Goša, Belgrade

Project

Investigation and Optimization of the Technological and Functional Performance of the Ventilation Mill in the Thermal Power Plant Kostolac B (MESTD - 34028)
Development of covering and core production technology based on local raw materials for manufacturing of special coated electrodes designed for steel arc welding (MESTD - 34016)

Abstract

The corrosion damage near the welded joint in the boiler of AISI 304L stainless steel was analysed. During welding, heat tint was formed near the weld on the inner surface of the boiler, because shielded gas was not applied. Due to the presence of heat tint and crevice in the welded joint, pitting corrosion occurred which caused the perforation and leakage of the boiler. Several procedures are proposed to prevent localised forms of corrosion (pitting and crevice corrosion) near the welded joint of the boiler.

Keywords

References

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