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Steam pipes

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Published: 01 December 1989
Fig. 5.45. Road map for steam-pipe assessment ( Ref 16 ). More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... in construction. It then describes the various causes of failure in boiler tubes, headers, and steam pipes, explaining how and why they occur, how they are diagnosed, and how to mitigate their effects. The final and by far largest section in the chapter is a tutorial on damage and life assessment techniques...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490383
EISBN: 978-1-62708-340-9
... in the boiler. In the case of superheater/reheater tubes, headers, and steam piping, creep strength and rupture strength are the foremost considerations. In addition, for tubes, fire-side corrosion resistance and steam-side oxidation resistance are necessary. For thick-section components, such as headers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... are needed. The key components of a boiler carrying high-temperature and high-pressure steam can be broadly classified into two categories, thick-walled sections and thin-walled sections. Thick-walled sections generally include headers or steam pipes, while thin-walled sections are grouped as furnace...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490001
EISBN: 978-1-62708-340-9
... steels; austenitic stainless steels Steam pipe Same as above Same as above Turbine HP-IP rotors/disks Creep strength, corrosion resistance, thermal-fatigue strength, toughness Cr-Mo-V steels LP rotors/disks Toughness, stress-corrosion resistance, fatigue strength Ni-Cr-Mo-V steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430017
EISBN: 978-1-62708-253-2
... and then mixed with cold air as per the requirements of the PC. Normally the temperature is maintained at 60 to 70 °C (140 to 160 °F). The fine, powdered coal is carried to the boiler in coal pipes by high-pressure (HP) hot air. The boiler is a device used for production of steam for power generation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... • • • Sodium phosphate (tribasic) • • Sodium sulfate • Sodium sulfide • Steam • • Steam, geothermal (aerated) • • Strontium nitrate • Sulfate liquor...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
... Abstract Boilers are engineered systems designed to convert the chemical energy in fuel into heat to generate hot water or steam. This chapter describes boiler applications and types, including firetube boilers, watertube boilers, electric boilers, packaged boilers, fluidized bed combustion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... not remove dissolved solids. Undissolved solid particles in water are removed by using either gravity filters or pressure filters. Filtration also removes the rust particles formed due to corrosion in the boiler and steam piping or tubing. Coarse suspended matter in water is removed by using gravity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... Abstract This chapter discusses the effects of corrosion on boiler tube surfaces exposed to water and steam. It describes the process of corrosion, the formation of scale, and the oxides of iron from which it forms. It addresses the primary types of corrosion found in boiler environments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860007
EISBN: 978-1-62708-338-6
... There are various types of high-volume production curing ovens. These can be convection heated using gas or electricity ( Fig. 2.14 ), internal mandrel oil heating ( Fig. 2.15 ), or internal mandrel steam heating. The ovens or curing stations are generally built to handle from three to fifty wound mandrels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
.... The latter case usually produces a very shiny fracture surface. Example 4: Fatigue Cracking of Welded Pipe Flange A short drain pipe from a heat-recovery steam generator failed in service by developing leaks around a circumferential weld near a flange. The pipe was a 25 mm (1 in.) schedule 80 pipe (25...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080437
EISBN: 978-1-62708-304-1
..., and K. Maeda, P. Cohen, Ed., ASME, 1989, p 1379 Effect of Heat Treatment on Hydrogen Attack Resistance of C-0.5Mo Steels for Pressure 3. R.B. Dooley, Corrosion of Steam/Water- Vessels, Heat Exchangers, and Piping, Cor- side Boilers, Corrosion, Vol 13, 9th ed., rosion, Vol 41 (No. 7), 1985, p 415 Metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090349
EISBN: 978-1-62708-266-2
... and Stress Corrosion Cracking Testing , Predictive Methods for Assessing Corrosion Damage to BWR Piping and PWR Steam Generator Proceedings , National Association of Corrosion Engineers , 1982 15.7 Measurement of Residual Stresses in Type-304 Stainless Steel Piping Butt Weldments, EPRI NP-1413...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
...-dependent degradation due to corrosion usually defines scheduled and unscheduled shutdowns so that corrosion damage in piping and equipment can be inspected and/or repaired. This operational scenario can be extremely expensive. Single-incidence costs of major failures and related releases have been...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
..., and combinations of these as modified by environment. Elevated-temperature problems are real concerns in industrial applications such as boilers, steam and gas turbine parts, containers in contact with molten metal, heat-treating furnaces and equipment, cement mills, incinerators, exhaust valves and manifolds...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t6244000x
EISBN: 978-1-62708-352-2
... with the appearance of “tinsmiths” and “white-iron men” as trades. Newcomen's discovery of the effectiveness of the internally condensing steam engine in 1708 is attributed to the faulty repair, by soldering, of a blowhole in the cast bronze cylinder. This permitted a spray of external condenser water...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... steam leads to high-cycle thermal fatigue. Here, the portion of the tube that has been dampened undergoes contraction, whereas the metal below it does not. This situation generates a large amount of tensile stress in the wetted portion of the tube. When the water evaporates on account of heat being...