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welded joints

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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.c9001350
EISBN: 978-1-62708-215-0
... Abstract Upon arrival at the erection site, an AISI type 316L stainless steel tank intended for storage of fast breeder test reactor coolant (liquid sodium) exhibited cracks on its shell at two of four shell/nozzle fillet-welded joint regions. The tank had been transported from the manufacturer...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001411
EISBN: 978-1-62708-234-1
... Abstract A welded joint between lengths of 4 in. OD x 13 SWG copper pipe which formed part of a cold-water main failed by cracking over one-third of the circumference. Microscopic examination of the filler metal showed that it had a structure corresponding to a brass of the 60:40 type commonly...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001186
EISBN: 978-1-62708-234-1
... Welded joints Wire Cold-drawn steel Ductile fracture A steel wire of 2.3 mm diameter broke during cable twisting. The fracture occurred obliquely to the longitudinal axis of the wire and showed a constriction at the end. Therefore it was a ductile fracture. File mark type work defects were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001407
EISBN: 978-1-62708-220-4
... magnitude, were responsible. As all other welds were suspect, the remedy was to remove the joints and to reweld followed by local stress relief. Butt welds Caustic soda Corrosion environments Pipes Residual stress Sodium hydroxide Stress relieving Welded steel Intergranular fracture Stress...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0089722
EISBN: 978-1-62708-217-4
... Butt welds Design Elbows Fatigue cracking Lap welds Tubes Vibratory stresses Welded joints 321 UNS S32100 Joining-related failures Fatigue fracture The welded elbow assembly shown in Fig. 1 was part of a hydraulic-pump pressure line for a jet aircraft. The other end of the tube...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048356
EISBN: 978-1-62708-229-7
... Abstract Welded to the top of a dust bin for rigid support, a furnace water-wall tube in a new stationary boiler broke at the welded joint shortly after start-up. The tubes measured 64 mm (2.5 in.) OD by 3.2 mm (0.125 in.) wall thickness and were made of carbon steel to ASME SA-226...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001594
EISBN: 978-1-62708-229-7
... Abstract Nuclear power plants typically experience two or three high-cycle fatigue failures of stainless steel socket-welded connections in small bore piping during each plant-year of operation. This paper discusses fatigue-induced failure in socket-welded joints and the strategy Texas...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001317
EISBN: 978-1-62708-215-0
... ends from the same batch typically appear to behave similarly. In the present case, the failed dished ends were from the same batch. Dished ends from other batches have performed without problems. Specimen 1 was removed by cutting along the circumferential weld joint (retaining some portion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0089766
EISBN: 978-1-62708-224-2
... of low-carbon low-alloy steel that was welded to an AISI 1025 steel tube, and the improved design included placing the welded joint of the flange farther away from the flange fillet. Investigation (visual inspection and chemical analysis) supported the conclusion that the failures in the flanges...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0089730
EISBN: 978-1-62708-233-4
.... Elbows made of ASTM A234 grade B steel were attached to each end of the assembly, 180 deg apart. A 1.3 mm (0.050 in.) thick liner with an OD of 29 cm (11 in.) was welded inside each joint. The upstream ends were stable, but the downstream ends of the liners remained free, allowing the components to move...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001207
EISBN: 978-1-62708-235-8
... examination showed welding conditions were such that a carburizing atmosphere developed, which led to an increase in carbon content and hardening at certain locations such as terminal bells and lap joints. This explained the processing difficulties during the threading operation. Hardening Pipe Weld...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001041
EISBN: 978-1-62708-214-3
... Standards Institution , 1980 . 2. Maddox S.J. , Introduction to the Fatigue of Welded Joints , Improving the Fatigue Performance of welded Joints , The Welding Institute , Cambridge , 1983 , p 1 – 4 . 3. Booth G.S. , Review of Fatigue Strength and Improvement Techniques...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0091009
EISBN: 978-1-62708-235-8
... to this embrittlement. Manufacturers of susceptible steels recommend use of these materials in the as-welded condition. Pressure vessels Stress-relief cracking Tubes Welded joints Ni-Cr-Mo-V Joining-related failures A thick-walled tube that was weld fabricated for use as a pressure vessel exhibited...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001116
EISBN: 978-1-62708-214-3
... that chemical segregation contributed to the hard areas. Postweld normalized heat treatment apparently did not sufficiently reduce the hardness of these areas. Oil field equipment, corrosion Pipe, corrosion Sour gas, environment Sulfide stress cracking Sulfides, environment Welded joints, corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001017
EISBN: 978-1-62708-219-8
... system pressure. Submerged arc welding Water pipelines Welded joints Welding defects 1020 UNS G10200 Joining-related failures The spiral-welded pipe in question was 10 in. in diameter and carried water under pressure. Numerous leaks were discovered in a section about 4 miles long...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001159
EISBN: 978-1-62708-232-7
..., the failure occurred due to typical contact corrosion wherein the alloyed welding seam represented the less noble electrode. The martensitic structure may have contributed to the failure as well. Due to the typical nature of the failure, no recommendations were made. Pipe Recuperators Welded joints...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001223
EISBN: 978-1-62708-233-4
..., is recommended. Grain boundaries Sheet metal Welded joints X2CrNi 18 9 X2CrNiMo 18 10 Intergranular corrosion The object under investigation was the corner of a welded sheet construction made from austenitic corrosion-resistant chromium-nickel steel. Examination of the object as received showed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001433
EISBN: 978-1-62708-235-8
... by the science and technology of welding. Where, however, full confidence is to be placed in the welded joint and its reliability must be beyond question, it is necessary to give adequate consideration to all the relevant factors, e.g., weldability of the base material, shape of the weld preparation...
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
... test results from the steel mill, procedure qualification tests of the welding, and design changes to reduce water hammer were also recommended. Impact toughness Notch sensitivity Pipe joints Pipe Water pipelines Welding parameters ASTM A283 grade D UNS K02702 Joining-related failures...
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
... tanks, corrosion Welded joints Welding parameters 304 UNS S30400 Joining-related failures Stress-corrosion cracking Selected Reference • Warke W. R. , Stress-Corrosion Cracking , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International...