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tube drawing

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Published: 01 June 2019
Fig. 1 Schematic drawing of the straight tube heat exchanger More
Image
Published: 01 June 2019
Fig. 1 Cross-section schematic drawing of a steam generator showing U-tube bundle More
Image
Published: 01 January 2002
Fig. 9 Cross-section schematic drawing of a steam generator showing U-tube bundle More
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Published: 01 June 2019
Fig. 1 Drawing of the CIM showing location of thermocouples and hole in drain tube More
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Published: 15 January 2021
Fig. 9 Cross-sectional schematic drawing of a steam generator showing U-tube bundle More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0060104
EISBN: 978-1-62708-220-4
... at or about mid-wall, suggesting the possibility of a change in the residual stress-field from tube drawing. Figure 1(c) shows stress-corrosion cracking originating from pits on the outer surface of the tube. The results of the examination indicated that the subject tube failures occurred by way...
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Published: 15 May 2022
Fig. 1 Schematic drawings of (a) film/sheet, (b) annular tube, (c) fiber/filament, and (d) profile More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001456
EISBN: 978-1-62708-229-7
... stresses to which this portion of the tube would be subjected because of the discontinuity in the tube wall. It was from this fissure that the leakage occurred. It was evident that the defect developed during the manufacture of the tube, probably in the course of a drawing or rolling operation without...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001601
EISBN: 978-1-62708-235-8
... a highly deformed microstructure. Significant increases in yield strength, ultimate tensile strength, and hardness, and a corresponding reduction in ductility, accompany the flow forming process. Conventionally, tubes are produced by hot extrusion followed by drawing or pilgering. However...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
... the height of the problem in an attempt to eliminate the tube embrittlement, including the alkaline dip, pickling operation, furnace atmosphere, drawing lubricant, and temperature control during hot drawing and annealing. Furthermore, tube embrittlement was not always observed, but when present was typically...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001700
EISBN: 978-1-62708-229-7
... removed from the heat exchanger, has been shown in Figure 2 . Fig. 1 Schematic drawing of the straight tube heat exchanger Fig. 2 Tube bundle of the heat exchanger following disassembly. An attempt to determine the specific tubes that were leaking was not successful as the heat...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0090277
EISBN: 978-1-62708-229-7
... are an approximate pressure differential of 10.7 MPa (1550 psi) at a temperature of 315 °C (600 °F). There can be up to four steam generators for a given reactor. Figure 1 shows a schematic cross section of a typical steam generator. Fig. 1 Cross-section schematic drawing of a steam generator showing U-tube...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001713
EISBN: 978-1-62708-220-4
... that may have occurred in the accident. 1 Fig. 1 Drawing of a blender typical of the one involved in the accident, showing the approximate size and mounting configuration. The blender involved in the accident had a working capacity of about 3.5 m 3 and an actual volume near 5.7 m 3 (125 ft 3...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001671
EISBN: 978-1-62708-234-1
... associated with gun tube explosion incidents provide vital clues which can be used to deduce the exact location of the projectile at the time of the explosion, the intensity of the explosion, where the explosion started in the round, and the known or probable cause. Acknowledgments The paper draws...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001545
EISBN: 978-1-62708-236-5
.... Failure was actually caused by overload. Had the original conclusion been accepted, a relatively exotic alloy would have been specified. In another case, brass heat exchanger tube failure was automatically attributed to attack by an acidic cleaner, and a decision was made to stop using the solution...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001341
EISBN: 978-1-62708-215-0
...% lead. A cheek of the vendor drawing revealed a notation that the fin material was lead-coated steel. Mechanical Properties Hardness The maximum hardness in the bend measured 27 HRC. Away from the bend, hardness measured 85 HRB. The comparative unfailed tube showed similar hardness. Hardness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001569
EISBN: 978-1-62708-229-7
... of other units. Boilers Economizers Superheaters Tubing Steel tube Corrosion fatigue Transgranular fracture Fatigue fracture Introduction Understanding the characteristic causes of fatigue failures should help to identify areas of the boiler that may be more likely to fail by fatigue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
... to pour. Fig. 1 Drawing of the CIM showing location of thermocouples and hole in drain tube The CIM was in service from November 1998 until June 1999. During that time the melter was cycled 134 times with 124 of the cycles at or above 1400 °C and 10 cycles at 1000 °C. Total operating time...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001314
EISBN: 978-1-62708-215-0
... of the horizontal axis coils. Visual examination of the inside of the tubing indicated the presence of a carbonaceous deposit resulting from decomposition of the heat-exchanging fluid. Subsequent metallographic examination and microhardness testing indicated that the steel was heated to a temperature above...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
... Abstract Alloy 430 stainless steel tube-to-header welds failed in a heat recovery steam generator (HRSG) within one year of commissioning. The HRSG was in a combined cycle, gas-fired, combustion turbine electric power plant. Alloy 430, a 17% Cr ferritic stainless steel, was selected because...