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Incoloy 800

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046991
EISBN: 978-1-62708-234-1
...Abstract Abstract The outlet-piping system of a steam-reformer unit failed by extensive cracking at four weld locations. The welded system consisted of Incoloy 800 (Fe-32Ni-21Cr-0.05C) pipe and fittings. The exterior surfaces of the system were insulated with rock wool that did not contain...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001738
EISBN: 978-1-62708-220-4
... discussion is made of Incoloy 800H; the metal temperature is about 800 °C (1475°F) at an internal gas pressure of 3.1 MPa (450 psi). The plant was taken into operation in 1969. In 1976 the bottom manifold showed severe bulging (up to 20% diametrical expansion) and creep damage. The cause of the damage...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001046
EISBN: 978-1-62708-214-3
..., allowing gases to shunt across the preheater/exchanger. Metallographic examination of the plates showed that accelerated internal oxidation had been the cause of failure. Corrosion racks of candidate alloys (types 304, 309, and 316 stainless steels, Inconel 600, Inconel 625, Incoloy 800, Incoloy 825...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001818
EISBN: 978-1-62708-241-9
... and gas analysis, mechanical property testing, stereomicroscopy, and metallographic examination. The fire sleeves are fabricated from 3-mm thick plate made of Incoloy 800 rolled into 540-mm diam sections welded along the seam. Three such sections are joined together by circumferential welds to form...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0047606
EISBN: 978-1-62708-228-0
... after welding, the substitution of a more corrosion-resistant alloy, such as Incoloy 800 or 825, may be necessary. Activation Butt welds Pipes Residual stress Weld metal 316L UNS S31603 Stress-corrosion cracking Pitting corrosion Joining-related failures Type 316L stainless steel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0060144
EISBN: 978-1-62708-234-1
...Abstract Abstract Two steam-methane reformer furnaces were subjected to short-time heat excursions because of a power outage, which resulted in creep bulging in the Incoloy 800 outlet pigtails, requiring complete replacement. Each furnace had three cells, consisting of 112 vertical tubes per...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091617
EISBN: 978-1-62708-220-4
... by condensate. Recommendations included eliminating the chlorides from the system, maintaining the temperature of the outlet stream above the dewpoint at all times, or that replacing the type 316 stainless steel with an alloy such as Incoloy 800 that is more resistant to chloride attack. Ammonia Chemical...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001104
EISBN: 978-1-62708-214-3
... Sulfurization Nicrofer 3718 Incoloy 800 UNS N08800 Nicrofer 3220-H Incoloy 800H UNS N08810 High-temperature corrosion and oxidation Background A sinter belt used in a sinter furnace of the curing of nickel briquettes stretched and fractured after only 6 months of service. Applications...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001107
EISBN: 978-1-62708-214-3
... Erosion corrosion Liners, corrosion Incoloy 800 UNS N08810 High-temperature corrosion and oxidation Background A 150 mm (6 in.) diam, 1.6 mm (0.065 in.) thick alloy 800 liner from an internal bypass line in a hydrogen reformer was removed from a waste heat boiler because of severe metal loss...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001346
EISBN: 978-1-62708-215-0
... of the fatigue cracks. Hydrocracker charge heater Steam superheating coils Incoloy 800 UNS N08800 Thermal fatigue fracture Background Several tubes of the steam superheating (SSH) coils of two hydrocracker (HCR) charge heater units in a refinery failed prematurely in service. The tubes were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001675
EISBN: 978-1-62708-220-4
... , typical of Incoloy 800H aged at 800 C. The average grain size was 150 um and no abnormal presence of second phases was observed. The allowable stresses used in this class of equipment are low, to permit a useful life of 100,000 h. At this stress level for Incoloy 800H, the formation of small creep voids...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001328
EISBN: 978-1-62708-215-0
... and Repairs of Petrochemical Plant Reformers”. 2. Marketing Brochure , Fired Heater Technology Corporation , Liberty Corner, NJ. 3. “Incoloy Alloys 800 and 800HT,” Inco Alloy International, Inc. , 1986 , p 17 . 4. “Superalloys,” Metals Handbook, Desk Edition American Society...
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
... SB407 Incoloy 800H UNS N08810 Intergranular fracture Creep fracture/stress rupture Background A replacement steam superheater failed shortly after start-up. Applications The replacement was the same design as the original with minor changes. The tube spacer design was changed, flange...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... and Incoloy 800H in molten 34.42wt%NaCl-5.58wt%LiCl at 650 and 700 °C (1200 and 1290 °F) under nitrogen. Corrosion increases with increasing temperature. Source: Ref 77 Fig. 19 Schematic of nominal design of concentrating solar power system using molten salts. Solar energy is concentrated...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
.... At temperatures exceeding 800 °C (1470 °F), γ-based alloys typically develop a fast-growing, mixed oxide of TiO 2 + Al 2 O 3 . Excessive alumina scale growth of γ-TiAl-base alloys cannot be sustained, because a metastable Z-phase is formed at 1000 °C (1830 °F) in pure oxygen ( Ref 82 ). Further information...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... The operating temperature of the duct surrounded by the clamp was 425 to 540 °C (800 to 1000 °F). The life of the clamp was expected to equal that of the aircraft. After 2 to 3 years of service, the clamp fractured in the area adjacent to the slot near the end of the strap ( Fig. 8a ) and was returned...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
..., alloy K-500, alloy IN-718, and Incoloy 945/945X, has been reported from laboratory tests and from field exposures with less susceptibility at lower strength levels. Some of the solid-solution alloys, such as alloy C-276 and alloy 625, are susceptible to hydrogen embrittlement under conditions...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1