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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001571
EISBN: 978-1-62708-229-7
... cladding and the A533 Grade B plate material to a depth of about mid-wall. The microstructures of these specimens were compared to that of specimens cut from the Midland, Michigan reactor vessel, made from the same grade and thickness but never placed in service. These specimens were subjected to known...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... focuses on a number of factors that are responsible for tool and die failures, including mechanical design, grade selection, steel quality, machining processes, heat treatment operation, and tool and die setup. Selected References Selected References General • Azzalina C.S. , Analysis...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001065
EISBN: 978-1-62708-214-3
...Abstract Abstract A 460 mm (18 in.) diam suction line to the main feed water pump for a nuclear power plant failed in a violent, catastrophic manner. Samples of pipe, elbow, and weld materials (ASTM A106 grade B carbon steel, ASTM A234 grade WPB carbon steel, and E7018 carbon steel electrode...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001330
EISBN: 978-1-62708-215-0
.... Portions of the superheater were retubed five years previously with Grade 722 material. The failures indicated that tubes were exposed to long-term overheating conditions. While the carbon steel tube did not experience temperatures above the lower transformation temperature 727 deg C (1340 deg F...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001566
EISBN: 978-1-62708-229-7
..., characteristic of chloride-induced SCC in austenitic stainless steels. The failure resulted from chloride-induced SCC, possibly assisted by cyclic stress. The recommendation for alternate material for the desuperheater nozzle included nickel base alloys per ASTM B 564, Grades 600 or 800 titanium alloy per ASTM B...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001776
EISBN: 978-1-62708-241-9
... and the required impact strength as per ASTM A 128 grade B-4 material used for its production. Twenty samples were selected randomly from a failed crusher jaw for chemical analysis, mechanical testing, and microstructural analysis. Another sample along the fracture surface was also selected for macrostructural...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0089254
EISBN: 978-1-62708-225-9
.... The material was revealed by chemical analysis to be resulfurized grade of carbon steel (SAE type 1144, UNS G11440) which has enhanced longitudinal tensile properties but low transverse properties. It was observed that when the fastening screws were torqued, a significant hoop stress was placed on the middle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001595
EISBN: 978-1-62708-235-8
... to keep these materials economically feasible. When hardenability is of paramount importance, ‘H’ grades of steels are frequently available. These steels specify a minimum hardenability as an independent variable and the composition as a dependent variable. Clearly, controls such as material...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0047220
EISBN: 978-1-62708-220-4
... in the gray iron gear teeth were the primary causes of fracture. During subsequent rotation, fragments of gray iron damaged the mating ductile iron gear. Recommendations included replacing the large gear material with ASTM A536, grade 100-70-03, ductile iron normalized at 925 deg C (1700 deg F), air cooled...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001053
EISBN: 978-1-62708-214-3
... of the ASTM specification, the tensile strength was very near the upper limit for this material. Results of tensile testing Table 2 Results of tensile testing Property Plate A515 grade 70 Yield strength (0.2% offset), MPa (ksi) 400 (58.2) 262 (38.0) (min) Ultimate tensile strength, MPa...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001051
EISBN: 978-1-62708-214-3
...Abstract Abstract A pair of steam generators operating at a pressurized water reactor site were found to be leaking near a closure weld. The generators were the vertical U-tube type, constructed from ASTM A302 grade B steel. The shell material exhibited high hardness values prior...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
... the material or its processing. However, the complete elimination of wear of lifting equipment may require selection of a harder material that is subject to brittle fracture—an alternative that may well be unacceptable. Failures occur for a number of reasons, which may be related to operation, design...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001337
EISBN: 978-1-62708-215-0
... steels with chromium additions such as ASTM A213 Grade T11 or T22, which are resistant to graphitization damage. Boiler tubes Creep (materials) Graphitization, Heating effects Mechanical properties Microstructural effects Overheating ASTM A209 grade T1 UNS K11522 High-temperature corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0089338
EISBN: 978-1-62708-224-2
... that the lifting eye failed as a result of overload. Fracture occurred parallel to the rolling direction, through manganese sulfide stringers and ferrite bands in the base metal matrix. The eye was machined from grade 1144 steel that was heavily cold rolled for strength. This material is very anisotropic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0045987
EISBN: 978-1-62708-221-1
...Abstract Abstract A support arm on a front-end loader failed in a brittle manner while lifting a load. The arm had a cross section of 50 x 200 mm (2 x 8 in.). Material used for the arm was hot-rolled ASTM A572, grade 42 (type 1), steel, which exhibited poor impact properties in the as-rolled...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001720
EISBN: 978-1-62708-227-3
... material at selected locations and planned core drill sampling to be done at a later date. This paper presents the results of the metallurgical investigation of structural components obtained from land site wreckage at Waipio Point. Results of underwater studies will be reported at a later date...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001055
EISBN: 978-1-62708-214-3
... A welded 1830 mm (72 in.) diam ASTM A283 grade D pipe underwent catastrophic failure. Applications Circumstances Leading Tofailure Pertinent Specifications Performance of Other Parts in Same or Similar Service Specimen Selection Surface Examination Metallography Chemical Analysis...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001111
EISBN: 978-1-62708-214-3
.... The ASTM specifications for grade F and grade H do not require the addition of these elements. The A517 grade H steel supplied for construction of the bridge was melted by an electric furnace process using charge materials composed of purchased bundles of steel scrap, broken iron molds, and recycled...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001102
EISBN: 978-1-62708-214-3
... grade B Surface treatment related failures Liquid metal induced embrittlement Background Visual Examination of General Physical Features Testing Procedure and Results Conclusion and Recommendations Selected Reference Selected Reference • Warke W.R. , Liquid Metal and Solid...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001794
EISBN: 978-1-62708-241-9
.... Material characterization showed that the shaft was manufactured from low-alloy steel grade AISI 4340. The shaft was quenched and tempered at a high temperature, to achieve hardness value of 30 HRC. Microstructure was tempered martensite. Although both the selected material and the heat treatment...