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Oxyacetylene welding

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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 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...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001749
EISBN: 978-1-62708-215-0
... used to seal the threaded joint. It was recommended that only brass fittings be used to assemble removable joints and that use of washers, sealants, and hydrocarbon lubricants be strictly avoided. Dissimilar metals Oxyacetylene welding Welding machines Carbon steel (Other, miscellaneous...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001308
EISBN: 978-1-62708-215-0
...Abstract Abstract Persistent cracking in a forged 1080 steel turntable rail in a wind tunnel test section was investigated. All cracks were oriented transverse to the axis of the rail, and some had propagated through the flange into the web. Through-flange cracks had been repair welded...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001658
EISBN: 978-1-62708-229-7
... of the porosity demonstrates that this particle formed directly from liquid steel, e.g., from weld spatter or in thermal cutting. The material between the metal particles was principally iron oxide but the oxide in the two deposits was different. That in the 1979 deposit was of two layers and an example...
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
... typical of oxyacetylene cuts in steel. In this case, the striation markings are presumed to be due to erosion that occurred when material from inside the vessel was ejected out the ports at high temperature and velocity. The other detail of interest in this region is the way in which the tabs that hold...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... carefully sort out all of the important material aspects of the failure but may examine the mechanical aspects only superficially. Similar imbalances in approach may occur when operating personnel, welding engineers, or corrosion engineers conduct the examination. Few engineers are knowledgeable in all...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
.... 6a ). An enlarged view of one spot ( Fig. 6b ) shows more clearly an area from which metal was removed and evidence of a heat-affected zone (HAZ) around the area. Fig. 6 Weld spots on contact surfaces of a type 440C stainless steel ball bearing. The spots are caused by static electrical...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... on bearing components resulting from a defective seal in a grease-lubricated bearing application. (b) Original magnification: 1.5×. (c) Original magnification: 75×. Source: Ref 36 Fig. 32 Example of fluting within a deep-groove ball bearing. Source: Ref 33 Fig. 33 Weld spots...