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water storage tank

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001349
EISBN: 978-1-62708-215-0
... Abstract The dished ends of a heavy water/helium storage tank manufactured from 8 mm (0.3 in.) thick type 304 stainless plate leaked during hydrotesting. Repeated attempts at repair welding did not alleviate the problem. Examination of samples from one dished end revealed that the cracking was...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001765
EISBN: 978-1-62708-241-9
... Abstract This paper describes the investigation of a corrosion failure of bottom plates on an aboveground tank used for the storage of potable water. The tank was internally inspected for the first time after six years of service. Paint blisters and rust spots were observed on the bottom plates...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001386
EISBN: 978-1-62708-215-0
... the load cells were subjected to regular (twice daily) washdowns using high-pressure hot water. Fig. 1 View of load cell installation Two load cells from the same tank failed within several days of each other. Both cells had become difficult to zero and had shown calibration drift. Load...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001770
EISBN: 978-1-62708-241-9
... of styrene from the cracks occurred. The observations are totally consistent with the occurrence of chloride stress corrosion cracking, and the failure was basically due to improper materials selection for a storage tank in a sea water environment. The poor welding practices and less than...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001512
EISBN: 978-1-62708-228-0
... service following the new standards. The tank was pressure tested and leak tested by filling it up with water to a height of 2 3 of the maximum height of the tank. The difference in density between water and LPG accounts for the limited height of the proof testing. The main benefit of proof...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001639
EISBN: 978-1-62708-229-7
... large, water-cooled, carbon steel tanks to store alkaline high-level radioactive solutions that arise from the production of nuclear materials. Three types, or designs, of tanks have been used over the 50-plus years since operations began at SRS. Each primary tank sits in a secondary tank or pan that is...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091208
EISBN: 978-1-62708-220-4
... corrosion pattern observed several feet in from the periphery of the tank. Heating was provided near the center of the tank and water in the backfill below the tank floor should be minimal. Perforations of the tank were large, and thinning was apparent in the adjacent areas. Fig. 1 View of an isolated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001525
EISBN: 978-1-62708-220-4
... of potassium. Fig. 1 The inside surface of the welded low-carbon steel storage tank shows evidence of general corrosion with severe discoloration at the weld. A sample of this corrosion debris was placed into a watch glass and soaked in a few drops of deionized water. The pH of the...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001832
EISBN: 978-1-62708-241-9
... Summary of Relevant Failures in Tank 39 Purge Ventilation System Incident Impact Chromate cooling water system (CCW) failure The condenser uses the chromate cooling water. Salts may escape when the condenser is not in service. The length of down-time of the CCW is unknown. Continuous air...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001821
EISBN: 978-1-62708-241-9
... in place and functioning. The liquid-phase EFV, however, tore out of the tank, providing an approximately 5.6 cm (2.2 in.) diameter opening through which the tank emptied. As the liquid and gaseous propane spread, it was eventually ignited by the pilot light of a hot water heater in a mobile home...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091318
EISBN: 978-1-62708-217-4
... specified procedure for chemical cleaning of the tanks in preparation for potable water storage. The sodium hypochlorite sterilizing solution used was three times the prescribed strength, and the process exposed the bottom of the tanks to hypochlorite solution that had collected near the outlet...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001068
EISBN: 978-1-62708-214-3
... leak (under pressure) tests, the tanks were shipped to the installation site. After a period of storage, a side nozzle on one of the tanks was found to have broken during transit. It was also noticed that the tank contained service water that probably had not been drained after hydrostatic testing...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001348
EISBN: 978-1-62708-215-0
... the storage of helium gas used in the core of a pressurized heavy-water reactor. After fabrication, the tanks were stored unprotected in a coastal atmosphere for about 4 years. Visual examination of the first tank revealed red corrosion products on the surface where the dished ends were...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001064
EISBN: 978-1-62708-214-3
... pipework, tanks and reservoirs were hydrotested using local mountain borehole water, which was stored in an open pond prior to use. The water was considered potable (that is, nonsaline) by the contractor and was resident in the plant for 3 months. Leaks at a few locations were discovered during the later...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001454
EISBN: 978-1-62708-220-4
... a significant extent by concentrated sulphuric acid, but if dilution occurs, then corrosion does take place. Pre-supposing that dilution had occurred some time during the service life of the tank—and this could easily be brought about by the condensation of water vapour on a surface wetted with...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
..., waste water treatment, drinking water supply, pulp and paper making, and other industrial sectors. Microbially induced corrosion is also a concern whenever metals are exposed directly to the environment in applications including marine or buried piping, storage tanks, ships, nuclear waste containers...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001140
EISBN: 978-1-62708-227-3
... Abstract Several pressurized air containers (i.e., diving tanks) made of non-heat-treatable Al-5Mg aluminum alloy failed catastrophically. Catastrophic failure occurred when a subcritical stress corrosion crack reached a critical size. Critical crack size for unstable propagation was reached...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... tentatively identified by the rapidity, severity, and localized nature and location of the corrosion. Favored locations for MIC failures include low spots where water can collect in piping, dead-end or shut-in piping, tank walls at the interface between liquid hydrocarbons and underlying water, or areas of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001395
EISBN: 978-1-62708-220-4
... Storage tanks Weld decay Welded joints Austenitic stainless steel Intergranular corrosion “Weld decay” is the term commonly applied to a form of intergranular corrosion to which certain austenitic steels are susceptible, particularly after being heated in the range 550–850°C. The effect first...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... below the protective chromia scale. The introduction of water vapor into air/sulfur dioxide environments accelerates sulfidation attack ( Ref 24 ). Hatfield ( Ref 25 ) observed that sulfidation of Ni-18Cr and Ni-28Cr alloys was initiated by the formation of NiS, which prevented the continuous formation...