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Tube plate, corrosion

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430343
EISBN: 978-1-62708-253-2
... transfer across the tube wall and finally gives rise to tube failure due to overheating. Similarly, carryover of caustic salts causes under-deposit corrosion of the boiler tubes. When a chelant-based boiler water treatment program is exercised to control the BFW quality, it has to be carried out...
Image
Published: 01 November 2007
″ phases (b) and grayish phases (c), indicating the corrosion phases were essentially chromium sulfides. The sample surface was plated prior to mounting to protect the corrosion products for SEM examination. Courtesy of Welding Services Inc. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870063
EISBN: 978-1-62708-299-0
... tubes. Although subsequent rinsing of the fuel lines washed off most of the electrolyte, some was trapped between the 6061-T6 tubing and the ferrule. This condition made corrosion of the fuel lines inevitable. Fig. 6 Corrosion (a) of aluminum alloy 6061-T6 aircraft fuel line (arrow). (b) Close-up...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080003
EISBN: 978-1-62708-304-1
.... In refineries, many reactor vessels, such as crude towers, hydrocrackers, and hydrodesulfurizers, are made of clad plates with a corrosion-resistant cladding in original installations. Cladding can be corroded after years of operation. One common approach is to refurbish the corroded vessels by applying...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
... created during throttling Fig. 5 Eroded tube inserts from the inlet end of a fire-tube boiler. The inserts were eroded by particle-laden flue gas, which was forced to turn as it entered the boiler. Fig. 6 Erosion of a rotary valve handling dust from a cyclone. The wear plates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120295
EISBN: 978-1-62708-269-3
... Katternberger Strasse 155-159 Solingen 426455 Germany Dietmar Fischer    Tel: +49 (0) 201 188 2593    Fax: +49 (0) 201 188 3520 Stockist of titanium ingot, bar, plate, sheet, profile, tube, and wire products Rolls Laval P.O. Box 100 Wolverhampton WV4 6JY Steve Sproson    Tel: +44 (0) 1902 353353    Fax...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... occur in a liquid environment when ions of more cathodic metal (e.g., copper) are plated out of solution onto a more anodic metal surface (e.g., aluminum). Despite its shortcomings, the classification of corrosion forms based on physical appearance or attack mechanism allows a large and complex...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340375
EISBN: 978-1-62708-427-7
... copper) for the various parts. It may seem incongruous, but the HVAC coils gain 30–35% of the heat exchange from the tubes and the remainder from the fins. Figure 16.15 shows an example of a HVAC coil made from copper tubes and aluminum fin plate. To maximize heat transfer, the joint between the tubes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910301
EISBN: 978-1-62708-250-1
.../tubesheet assemblies. Crowned tubesheet and protruding tubes in (a) allow buildup of corrosive deposits; in (b), tubesheet is flat and tubes are mounted flush. Fig. 6 Examples of poor (a) and good (b) designs for drainage, corners, and other dead spaces in vessels. Sharp corners, and other dead...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... specifications for refinery steels Material Pipes and tubes Plates Castings Forgings Carbon steel A53, A106, A120, A134, A135, A139, A178, A179, A192, A210, A211, A214, A226, A333, A334, A369, A381 (a) , A524, A587, A671, A672, A691 A283, A285, A299, A442, A455, A515, A516, A537, A570, A573...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340413
EISBN: 978-1-62708-427-7
... Falls, Ontario, Canada Highway Signs, Traffic Signals, and License Plates Road signs come in all sizes and shapes. Their main requirements are strength and corrosion resistance. The lighter weight compared with steel is an advantage but is not critical. Signs do not require forming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940451
EISBN: 978-1-62708-302-7
... Method for Seal Quality of Anodic Coatings on Aluminum by Acid Dissolution • B 732, Test Method for Evaluating the Corrosivity of Solder Fluxes for Copper Tubing Systems • B 735, Test Method for Porosity in Gold Coatings on Metal Substrates by Nitric Acid Vapor • B 741, Test Methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080379
EISBN: 978-1-62708-304-1
... for the 0.2 H 2 S environment, and 2×10 –18 and 2 ×10 –7 atm for the 0.4 H 2 S environment. The circumferential strain was created by pressurizing the test tube internally with argon. Preferential corrosion penetration was observed to take place along grain boundaries. Both oxides and sulfides were found...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080259
EISBN: 978-1-62708-304-1
... section is enclosed with water-cooled tubes with a narrow plate (commonly referred to as a “membrane”) connected between two adjacent tubes. When the furnace is heated, the water under high pressure inside these water-cooled tubes (also referred to as waterwalls) is converted to steam. Some boilers use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
..., not reported. (a) Source: Ref 7 . (b) Source: Ref 11 . (c) Source: Ref 12 . (d) Source: Ref 13 The furnace is typically enclosed by four walls (rear, front, and two side walls) using a tube-membrane construction (i.e., individual tubes are connected by narrow plates). These tube...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
... at the fusion line. Source: Ref 23 Improper PWHT can, however, lead to corrosion failures. Example 2 describes failure of type 430 tube-to-header welds that failed in a heat recovery steam generator because of problems associated with PWHT. Example 1: Leaking Welds in a Ferritic Stainless Steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
..., although wire, tube, and other forms are also produced. The most generally accepted method of fabricating alclad sheet and plate consists of hot rolling to pressure weld the cladding slabs to a scalped core ingot. In fabricating alclad products, the temperature and time of thermal treatments should...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... Abstract This chapter discusses the effects of corrosion on boiler tube surfaces exposed to water and steam. It describes the process of corrosion, the formation of scale, and the oxides of iron from which it forms. It addresses the primary types of corrosion found in boiler environments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910331
EISBN: 978-1-62708-250-1
... and/or nonmetallics installed in a pipeline Experimental alloy impellers in pumps for corrosion and cavitation studies Tubing installed in a full-size operating or miniature test heat exchanger to evaluate materials with optimum resistance to corrosion under heat transfer conditions Paddles of candidate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... According to ASME Boiler and Pressure Vessel Code—2017, boiler tubes are subjected to flattening tests by applying compressive loads between two parallel plates. A tube should not develop any cracks or breaks until the distance between the plates is less than a certain specified value per the standard...