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Boiler tube steel

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Published: 01 January 2002
Fig. 20 Hydrogen damage (dark area) in a carbon steel boiler tube. The tube cross section was macroetched with hot 50% hydrochloric acid. More
Image
Published: 01 June 2019
Fig. 1 Stationary boiler in which a carbon steel water-wall tube failed by fatigue fracture at the weld joining the tube to a dust bin. (a) Illustration of a portion of the boiler showing location of failure. Dimensions given in inches. (b) Photograph of fractured tube. fatigue crack More
Image
Published: 01 June 2019
Fig. 1 Carbon steel boiler tube that ruptured due to hydrogen damage. More
Image
Published: 01 January 2002
Fig. 39 Stationary boiler in which a carbon steel water-wall tube failed by fatigue fracture at the weld joining the tube to a dust bin. (a) Illustration of a portion of the boiler showing location of failure. Dimensions given in inches. (b) Photograph of fractured tube. Fatigue crack More
Image
Published: 01 January 2002
Fig. 18 Micrograph of an etched specimen from a carbon steel boiler tube. Decarburization and discontinuous intergranular cracking resulted from hydrogen damage. 250× More
Image
Published: 01 January 2002
Fig. 22 Carbon steel boiler tube that ruptured due to hydrogen damage. More
Image
Published: 01 January 2002
Fig. 31 Stationary boiler in which a carbon steel water-wall tube failed by fatigue fracture at the weld joining the tube to a dust bin. (a) Illustration of a portion of the boiler showing location of failure. Dimensions given in inches. (b) Photograph of fractured tube; fatigue crack More
Image
Published: 30 August 2021
Fig. 8 Microstructure of a carbon steel boiler tube subjected to prolonged overheating below Ac 1 showing (a) decomposition of pearlite into ferrite and spheroidal carbides (original magnification: 400×) and (b) spheroidization of carbide and grain-boundary voids characteristic of tertiary More
Image
Published: 30 August 2021
Fig. 12 Typical microstructures of carbon steel boiler tube that ruptured as a result of rapid overheating. (a) Elongated grains near rupture resulting from rapid overheating below the recrystallization temperature. (b) Mixed structure near rupture resulting from rapid overheating between Ac 1 More
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Published: 30 August 2021
Fig. 18 Metallographic mount of failed steel boiler tube sample exhibiting corrosion fatigue. Source: Ref 53 More
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
... temperatures. The combined effect of pitting, incrustations, and phase transformations caused the pipe to rupture. boiler tube fracture corrosion pits salt incrustation carbon steel thermal fatigue striations dimples microstructural analysis plastic strain A192 (carbon steel) UNS K01201...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091291
EISBN: 978-1-62708-234-1
... Abstract Carbon steel tubes from a boiler feedwater heater feeding a deaerator were treated to control scale formation, but the treatment instead produced more iron oxide. The additional iron oxide reduced the tubing to a totally corroded condition. Investigation showed that the chelate...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001340
EISBN: 978-1-62708-215-0
... modifications on tube wall temperatures. Boiler tubes, mechanical properties Cracking (fracturing) High temperature Carbon steel Thermal fatigue fracture Background Two identical “D” tube package boilers experienced premature tube failures after short operating times. The tubes were joined...
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Published: 01 June 2019
Fig. 1 Uniform corrosion of steel tubes in boiler feedwater containing oxygen (O 2 ) and a chelating water-treating chemical More
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Published: 01 January 2002
Fig. 9 Uniform corrosion of steel tubes in boiler feedwater containing oxygen (O 2 ) and a chelating water-treating chemical More
Image
Published: 01 January 2002
Fig. 9 Microstructures of specimens from carbon steel boiler tubes subjected to prolonged overheating below Ac 1 . (a) Voids (black) in grain boundaries and spheroidization (light, globular), both of which are characteristic of tertiary creep. 250×. (b) Intergranular separation adjacent More
Image
Published: 01 January 2002
Fig. 10 Typical microstructures of 0.18% C steel boiler tubes that ruptured as a result of rapid overheating. (a) Elongated grains near tensile rupture resulting from rapid overheating below the recrystallization temperature. (b) Mixed structure near rupture resulting from rapid overheating More
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Published: 15 January 2021
Fig. 9 Uniform corrosion of steel tubes in boiler feedwater containing oxygen (O 2 ) and a chelating water-treating chemical More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0048350
EISBN: 978-1-62708-227-3
... Abstract Tubes in a marine boiler on a new ship failed after brief service lives. Circumferential brittle cracking was found to occur in the carbon-molybdenum steel tubes near the points where the tubes were attached to the steam drum. Fatigue striations were revealed by examination of fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048289
EISBN: 978-1-62708-234-1
... Abstract The center portions of two adjacent low-carbon steel boiler tubes (made to ASME SA-192 specifications) ruptured during a start-up period after seven months in service. It was indicated by reports that there had been sufficient water in the boiler two hours before start-up...