Scaling

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Intragranular Intergranular Precipitates Capture method: Aspect Before Analysis clear all

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Aspect as received, side A, of the part removed from the rectangular tube that was manufactured from plates, and originally presented two welded seams (not included in the sample). Close to the edges of the sample, where probably were the corners of the rectangular tube, the degradation is in a highest level. Three samples were analysed, with different thicknesses (indicated in the figure). Side A is the side that was in contact with the reaction (product side).
445
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ML00160 / Apr.2020
High Temperature Degradation of 310SS
M - Austenitic Stainless SteelP - Rectangular TubeAp - Chemical IndustryCd - Scaling
Cm - Aspect Before AnalysisDf - General View

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ML00160 — High Temperature Degradation of 310SSM - Austenitic Stainless SteelP - Rectangular TubeAp - Chemical IndustryCd - Scaling
Aspect as received, side B, of the same part. Side B is the external side of the rectangular tube, that was in contact with the electric furnace atmosphere. This surface of side B presented less degradation than the internal surface (side A).
88
VIEW
ML00160 / Apr.2020
High Temperature Degradation of 310SS
M - Austenitic Stainless SteelP - Rectangular TubeAp - Chemical IndustryCd - Scaling
Cm - Aspect Before AnalysisDf - General View
High Temperature Degradation of 310SS
2
VIEW
ML00160 / Apr.2020
High Temperature Degradation of 310SS
M - Austenitic Stainless SteelP - Rectangular TubeAp - Chemical IndustryCd - Scaling
Cm - Aspect Before AnalysisDf - General View