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seamless pipe

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001526
EISBN: 978-1-62708-229-7
.... The subsequent inspection of this header and the east superheater header revealed the presence of extremely severe ligament cracking. They operated at 2400 psi (16.5 MPa) and a temperature of 540deg C (1005 deg F). Both were fabricated from seamless pipe produced in accordance with ASME Specification SA-335...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001206
EISBN: 978-1-62708-235-8
... Abstract A number of seamless pipe nipples of 70 mm diam and 3.5 mm wall thickness made of steel type 35.8 were oxyacetylene welded to collectors of greater wall thickness with a round bead. X-ray examination showed crack initiation in the interior of the nipples close to the root of the weld...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001842
EISBN: 978-1-62708-241-9
... to compensate for variations in wall thickness (i.e., weight distribution) of the pipe product used to make the roll. According to the investigation, resonance and vibration, which were initially considered, did not cause the failure. felt guide roll seamless pipe fracture stress concentration carbon...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001701
EISBN: 978-1-62708-219-8
... Abstract A closed-loop hot water heating system at a museum in South Carolina was the subject of failure evaluation. The system consisted of plain carbon steel pipes (Schedule 40) made of ASTM A 106 or A 53 (ERW or seamless). The supply and return lines were made of the same materials...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047080
EISBN: 978-1-62708-235-8
... Abstract Several of the aluminum alloy 6061-T6 drawn seamless tubes (ASTM B 234, 2.5 cm (1.0 in.) OD with wall thickness of 1.7 mm (0.065 in.)) connecting an array of headers to a system of water-cooling pipes failed. The tubes were supplied in the O temper. They were bent to the desired...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001205
EISBN: 978-1-62708-219-8
.... Inspection showed that a fracture had occurred on the shaft of the cross which was formed by a seamless steel tubing of 60 mm O. D. and 2.7 mm wall thickness. The shaft was inserted into a supporting pipe of 12 mm wall thickness to a depth of about 3 m, and was firmly anchored in it. An additional support...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001697
EISBN: 978-1-62708-219-8
... of five case histories on the failure of copper and steels as used in potable and non-potable water systems. The case histories cover a range of applications in which copper and steel products have been used. Copper and steel pipes are the two most commonly used materials in residential, commercial...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001339
EISBN: 978-1-62708-215-0
... the equipment refrigerated below −40 °C (−40 °F) during the 1987 plant shutdown. However, this effort was not successful, and a leak was detected in the piping within 12 h after the piping exceeded the −40 °C (−40 °F) temperature. Pertinent Specifications Aluminum alloy 5083-O was the specified seamless...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001110
EISBN: 978-1-62708-214-3
... Abstract A 44.5 mm (1.75 in.) diam type 321 stainless steel seamless tube in a power-generating turbine failed after 19,000 h in service. The tube was used to carry a mixture of approximately 25% steam and 75% hot air. Three fractured pieces and part of the tube containing the mating fracture...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001336
EISBN: 978-1-62708-215-0
... was specified to be manufactured from a formed section of seamless AISI 304L stainless steel tube welded to two machined sections of AISI 304L stainless steel flanges. Except for the weld zones, the pipe and flange microstructures were specified to contain only austenite. The weld zone microstructures were...
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
... Abstract Two failures of AP15A grade J-55 electric resistance welded (ERW) tubing in as our gas environment were investigated. The first failure occurred after 112 days of service. Replacement pipe failed 2 days later. Surface examination of the failed tubing indicated that fracture initiated...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001063
EISBN: 978-1-62708-214-3
... the same condenser had been in successful service for 5 years and similar condensers had also been operating successfully, a detailed failure analysis investigation was performed. Pertinent Specifications The 117 tubes were of type 316 austenitic stainless steel manufactured by the seamless process...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001820
EISBN: 978-1-62708-180-1
... or a lamination in the steel, (2) foreign objects, such as parts of rolls or rolling equipment, being pushed into the steel during hot rolling, or (3) hot tears that form, particularly during piercing and rolling of relatively thin-wall large-diameter seamless pipe. All of these problems can be controlled...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001813
EISBN: 978-1-62708-241-9
... between the straight and curved sections at the inner radius. Failure occurred by wall creep at the inner radius of the pipe. The material was seamless carbon steel (DIN 1.0305 ST 35.8) of nominal composition (wt.%): 0.17 max C, 0.10–0.35 Si, 0.4–0 Mn, 1.4 max P, and 0.04 max S. The design specification...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
..., or become a site for preferential corrosion. Indentations can be formed by rolling foreign material into the pipe or on the inner surface of seamless pipe if foreign material becomes trapped between the mandrel and the pipe wall during forming. Laminations, or internal separations of the pipe wall parallel...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001791
EISBN: 978-1-62708-241-9
... Abstract A pipe in the lateral wall of a boiler powering an aircraft carrier flat-top boat failed during a test at sea. The pipe was made from ASTM 192 steel, an adequate material for the application. Microstructural analysis along with equipment operating records provided valuable insight...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
..., where stress concentration is greatest. Their occurrence may be minimized by pausing before breaking the arc, by breaking and restarting the arc several times to feed the shrinkage pipe, or by terminating welding on runoff tabs that are cut away later. If crater cracks are found, they should be ground...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... steel tubing used for medium-pressure duty. Materials may be identified by microstructural examination. For example, various grades of carbon steel pipe or tubing may be distinguished according to the deoxidation practice and resulting microstructure. Similarly, seamless and welded pipe or tubing...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
... of rejecting the part, had attempted to repair it by welding, which was not permitted in the specification. In another case, a piece of 50 mm (2 in.) diameter schedule 80 (5.5 mm, or 0.218 in., wall thickness) ASTM A106 seamless carbon steel pipe that had been hydrostatically tested was about to be welded...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
.... Materials may be identified by microstructural examination. For example, various grades of carbon steel pipe or tubing may be distinguished according to the deoxidation practice and resulting microstructure. Similarly, seamless and welded pipe or tubing may be differentiated. A gross error in material usage...