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Book Chapter

By Hira S. Ahluwalia
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004177
EISBN: 978-1-62708-184-9
... Abstract This article provides a detailed discussion on the corrosion of steel and stainless steel under insulation. Stress corrosion cracking mechanism, types of alloys susceptible to corrosion, factors influencing corrosion, and corrosion prevention methods, are also discussed...
Image
Published: 01 January 2006
Fig. 1 Through wall corrosion under insulation of a large coated carbon steel storage tank. Through hole at arrow. Courtesy of Paul Powers, GE Inspection More
Image
Published: 01 January 2006
Fig. 17 Through-wall corrosion under insulation of a large coated carbon steel storage tank. Courtesy of Paul Powers, GE Inspection. See the article “Effects of Process and Environmental Variables” in this Volume. More
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Published: 01 January 2003
Fig. 5 (a) Stress-corrosion cracking of copper pipe under elastomeric insulation from an in-ground installation. (b) Micrograph of crack. Etched. 50× More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006823
EISBN: 978-1-62708-329-4
... of the FFS code to assess the serviceability and remaining life of a corroded flare knockout drum from an oil refinery, two fractionator columns affected by corrosion under insulation in an organic sulfur environment, and an equalization tank with localized corrosion in the shell courses in a chemicals...
Image
Published: 01 January 2006
Fig. 2 Effect of temperature on corrosion of steel in water. Data points are from plant measurements of corrosion under insulation ( Ref 3 ). Closed system, oxygen held in system; open system, oxygen free to escape ( Ref 4 ) More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003658
EISBN: 978-1-62708-182-5
... Challenges in Ultrasonic Guided Wave NDE,” presented at Tri-Service Corrosion Conference ( San Antonio ) 14–18 Jan 2002 16. Bray A.V. , Carbaugh L.H. , Austin R.K. , Rose J.L , Avioli M. , and Quarry M. , Detecting Corrosion Under Insulation In Shipboard Piping II...
Book Chapter

Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004204
EISBN: 978-1-62708-184-9
... describes the three primary causes of failure in the manufacture of pharmaceuticals: embedded iron, failures of glass linings, and corrosion under thermal insulation. fluoropolymers graphite nickel nickel alloys stainless steel thermal insulation titanium zirconium glass-lined steel...
Book Chapter

By Lyle D. Perrigo, James R. Divine
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004134
EISBN: 978-1-62708-184-9
.... Ratcliffe ( Ref 12 ) has noted extensive amounts of external corrosion on metal buildings, particularly under the insulation on those structures. In addition, acceleration of external corrosion due to abrasion from wind-driven glacial silt has been observed near the Antarctic coast. Figure 3 shows what...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004121
EISBN: 978-1-62708-184-9
... steam long distances. Steam leaked under the insulation may condense and wet the insulation, leading to additional corrosion. Corrosion under insulation is very hard to detect ( Ref 7 , 8 ). While corrosion can, and does, occur on the outside of steam lines, it is much more likely to occur...
Book Chapter

By Peter Elliott
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003703
EISBN: 978-1-62708-182-5
... significantly reduce the desired service lifetime, because local defects (anodes) effectively multiply the risk of localized corrosion. Corrosion under Insulation Insulation can create an area for potential corrosion attack, although most problems arise because of poor installation. Insulation types...
Book Chapter

By Kenneth B. Tator
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006049
EISBN: 978-1-62708-172-6
... areas where heated freshwater may be encountered. One area of particular concern is corrosion under insulation when zinc-coated steel pipes are used. Should the insulation become damaged, or otherwise leak, water may gain access to the zinc-coated pipe surface beneath the insulation. Aggressive...
Book Chapter

Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004221
EISBN: 978-1-62708-184-9
... Depot, Jacksonville. See the article “U.S. Navy Aircraft Corrosion” in this Volume. Underinsulation Corrosion Similar to the corrosion taking place due to improper packaging ( Fig. 15 ), trapped moisture under insulation has been of increasing concern in piping systems ( Fig. 16...
Book Chapter

By Michael J.S. Lowe
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006441
EISBN: 978-1-62708-190-0
... of NDE because of the drive by the oil and gas industry in the late 1980s and early 1990s to improve the inspection of corrosion under insulation of their pipelines. Until that time, the only means of detecting the loss of wall thickness of pipes by corrosion were pigging (internal instrument moving...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004144
EISBN: 978-1-62708-184-9
... in the manufacture and storage of the acids, bases, and solvents. The cross-industry problem of corrosion under insulation is discussed, with a summary of the corrosion mechanism and effective prevention techniques. Corrosion in the Pulp and Paper Industry Corrosion in the pulp and paper industry has been...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004167
EISBN: 978-1-62708-184-9
... for 20 years as a diode-grounded system with an insulated embedded track. The rail had appreciable corrosion where installation of the elastomeric boot was inadequate. There are some advantages to electric rail system operations having substations ungrounded ( Ref 1 , 2 ). When operated ungrounded...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004129
EISBN: 978-1-62708-184-9
... the equipment operational. The basic corrosion concerns of the 1960s were the deterioration of the physical properties of the materials involved in electronic equipment. A report in 1967 compared the fungus resistance of vinyl polymer insulating cable coverings ( Ref 4 ). A 1963 Bell Telephone Labs report...
Book Chapter

By Sam McFarland
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004215
EISBN: 978-1-62708-184-9
..., and seal arrangements for indication of water ingress and the possibility of corrosion under insulation (CUI). General condition of vessel bridles, float pots, and floats. In addition, liaison with operations personnel is recommended in order to ascertain whether regular blow-down operations have been...
Book Chapter

By Peter Elliott
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003969
EISBN: 978-1-62708-183-2
... Impingement Fig. 59 Copper with elastomeric insulation Stress-corrosion cracking Fig. 67 Nickel, N08330 Sulfidation Fig. 34 , Fig. 35 Ni-Cr-Mo Crevice Fig. 43 Ni-Cu in glass mat Oxidation Fig. 29 , Fig. 30 Ti-3Al-2.5V Hydrogen damage Fig. 68 , Fig. 69 Plastics...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004159
EISBN: 978-1-62708-184-9
... associated with the nitrate stress-corrosion cracking in heat-recovery steam generators are also discussed. The article presents general comments on the materials selection; plant operation; use of neutralizing additives; and maintenance, good housekeeping, and lagging (insulation). It concludes...