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Tanks, corrosion

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Published: 01 August 1999
Fig. 12 Filiform corrosion of a fighter aircraft pylon tank. (a) Overall view of the tank, showing uniform corrosion (open arrows) and penetration (solid arrows). (b) Indications of filiform corrosion. (c) Pitting and intergranular corrosion. Source: Ref 29 More
Image
Published: 01 December 2015
Fig. 1 Cathodic-protection system for a buried steel tank. (a) The original design that caused local failure of a nearby unprotected buried pipeline by stray-current corrosion. (b) Improved design. Installation of a second anode and an insulated buss connection provided protection for both More
Image
Published: 01 October 2011
Fig. 15.13 Cathodic protection system for a buried steel tank. (a) The original design that caused local failure of a nearby unprotected buried pipeline by stray current corrosion. (b) Improved design. Installation of a second anode and an insulated buss connection provided protection for both More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030023
EISBN: 978-1-62708-282-2
... failed by corrosion because of the stray currents. If the pipeline had been cathodically protected, stray-current attack could have caused the buried tank to fail. The stray-current problem shown in Fig. 1(a) was corrected by electrically connecting the tank and the pipeline by an insulated buss...
Image
Published: 01 December 2015
of the tank. 25×. 10% oxalic acid etch. (b) Higher-magnification view of cracks. These branched transgranular cracks are typical of chloride stress-corrosion cracking of austenitic stainless steel. 250×. 10% oxalic acid etch. Source: Ref 39 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030180
EISBN: 978-1-62708-282-2
... acid. Tanks constructed since the 1970s have been made with steel containing low amounts of copper. Steel with low copper content corrodes readily in sulfuric acid ( Ref 24 ). Anodic protection of vessels made of this low-copper steel has been successful in lowering the corrosion rate by a factor...
Image
Published: 01 December 2015
Fig. 16 Localized biological corrosion of austenitic stainless steel. (a) Crevice corrosion of type 304 stainless steel flange from a cooling water system. Staining shows evidence of adjacent biomounds. The corrosion attack reached a depth of 6 mm (¼ in.). Courtesy of W.K. Link and R.E More
Image
Published: 01 December 2006
Fig. 7 Photomicrograph of the outside surface of the saturator tank shown in Fig. 6 showing corrosion at the fusion line. Source: Ref 23 More
Image
Published: 01 December 2015
Fig. 37 Micrograph of the outside surface of the saturator tank in Fig. 36 showing intergranular corrosion at the fusion line. Source: Ref 11 More
Image
Published: 01 January 2000
Fig. 19 Carbon steel coupon removed from a rolling mill cooling tank. Note the thick greasy deposits resulting from rolling oils. Removal of the deposits shows the corrosion beneath (see right side of figure). Source: Nalco Chemical Company More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310243
EISBN: 978-1-62708-286-0
... necessary to address inadequate corrosion resistance. However, since 2000 marine chemical tankers have become the largest consumer of duplex stainless steel. The reason for this is that cargo tanks ideally have the widest potential range of cargos possible. This range is defined by corrosion resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... in these systems are now being postweld stress relieved. Corrosion of Welds in Carbon Steel Deaerator Tanks Deaerator tanks, the vessels that control free oxygen and other dissolved gases to acceptable levels in boiler feedwater, are subject to a great deal of corrosion and cracking. Several years ago...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... in austenitic stainless steels as well as several forms of corrosion associated with welding. The effects of gas-tungsten arc weld shielding gas composition and heat-tint oxides on corrosion resistance are then covered. Microbiological corrosion of butt welds in water tanks is also illustrated. In addition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870135
EISBN: 978-1-62708-299-0
... Abstract Aluminum products are used extensively in natural atmospheres and in and around water. They are also widely used in building materials and as containers for chemicals and food and beverage products. This chapter discusses the corrosion mechanisms associated with these environments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310265
EISBN: 978-1-62708-286-0
... industry has changed from a fairly complicated analysis of which austenitic steel to use while guarding against stress corrosion cracking and pitting corrosion and when to use clad materials for cost savings, to a fairly simple discussion of which duplex stainless steel is most economical for a given piece...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910407
EISBN: 978-1-62708-250-1
.... Applications of Anodic Protection Anodic protection has been used for more than 30 years to protect hundreds of tanks containing sulfuric acid, as well as for many heat exchangers used for acid production. It has been used to lessen corrosion rates for storing 93 to 99% sulfuric acid. The intent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910301
EISBN: 978-1-62708-250-1
... to concentrate corrosive media in a small area should be avoided. For example, tank inlets should be designed such that concentrated solutions are mixed and diluted upon introduction ( Fig. 1 ). Otherwise, localized pockets of concentrated solutions can cause excessive corrosion. Fig. 1 Poor (a) and good...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270059
EISBN: 978-1-62708-301-0
... this accident, the manufacturers replaced the air-melted compressor discs with vacuum-melted discs, which are known to be cleaner. 8.4 Modification of Codes and Standards Collapse of Ashland Oil Storage Tank On Jan. 2, 1988, a 4 million gallon oil storage tank collapsed during the first filling after...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... for pressure vessels and tanks to deal with corrosion is to provide a corrosion allowance, which takes the form of additional thickness based on available information on rates of general corrosion over the design life. For example, a carbon steel vessel designed for 25 years of service in sulfuric acid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... Abstract This chapter discusses the particular corrosion problems encountered and the methods of control used in petroleum production and the storage and transportation of oil and gas up to the refinery. It begins by describing those aspects of corrosion that tend to be unique to corrosion...