Pressure vessel cladding layer quality
1 pressure vessel cladding layer quality when used with most surfacing weld mustcontrol the amount of overlap between 6 ~ 8mm, welding arc welding, the weldoverlap between the lap of not less than the width of the weld.
2 pressure vessel cladding layer after surfacing weld quality difference between thelevel of not more than 0.5mm, cladding layer between the surface and not allowed inthe weld bead and the substrate material between the undercut defects.
3-layer pressure vessel welding quality requirements after the transition layer and thecorrosion layer of surfacing required for UT inspection were detected between theweld and the fusion of the substrate and the solder layer height.
4 pressure vessel cladding layer after surfacing quality and timely weld spatter to clean up both sides of the impurities, there is no weld overlay surface porosity, slagand other defects.
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Keywords: reactor, heat exchanger, pressure vessel
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