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heat-resistant alloys

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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
... based (Cr 23 C 7 and Cr 7 C 3 ). The sooty substance was identified as graphite. Discussion Metal dusting of heat-resistant alloys occurs in carbonaceous atmospheres at temperatures above 425 °C (800 °F), with very high activity in the range of 790 to 845 °C (1450 to 1550 °F)and above 925 °C...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046926
EISBN: 978-1-62708-232-7
...Abstract Abstract Over a period of about one year, three RA 330 alloy salt pots from a single heat-treating plant were submitted to failure analysis. All of the pots, which had 9.5 mm thick walls, were used primarily to contain neutral salts at temperatures from about 815 to 900 deg C (1500...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091533
EISBN: 978-1-62708-217-4
... made of 19-9 DL heat-resisting alloy. The operating temperature of the duct surrounded by the clamp was 425 to 540 deg C (800 to 1000 deg F). The life of the clamp was expected to equal that of the aircraft. Investigation (visual inspection, chemical analysis, hardness testing, and 540x/2700x images...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046995
EISBN: 978-1-62708-232-7
... in the vicinity of the burners. The tubes had an original wall thickness of 3.0 mm (0.120 in.) and were made of three different alloys: the first was Hastelloy X; the second alloy was RA 333, a wrought nickel-base heat-resistant alloy; and the third was experimental alloy 634, which contained 72% Ni, 4% Cr...
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
... cell, each filled with a nickel catalyst. The tubes were centrifugally cast from ASTM A297, grade HK-40 (Fe-25Cr-20Ni-0.40C), heat-resistant alloy. The tube was concluded after metallurgical inspection to have failed from creep rupture (i.e., stress rupture). A project for detecting midwall creep...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048757
EISBN: 978-1-62708-234-1
... surface embrittlement resulted from oxygen absorption which made the surface layers susceptible to cracking under start up and shutdown. Replacement tubes made of a heat-resistant alloy (e.g., Hastelloy C-276) were recommended. Acicular structure Overheating Tubes ASTM B337 grade 2 UNS R50400...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001712
EISBN: 978-1-62708-234-1
... etchant 3V, 20 s. The above analysis indicated there was a strong possibility that the growth of the roll was a result of volumetric expansion due to nitrogen pickup. Therefore, an experiment was designed to quantify the expansion of heat resistant alloys as a function of increase in nitrogen...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
... of creep °C °F T as ratio of T M , K Aluminum alloys 150–200 300–400 0.48–0.54 T M Titanium alloys 315 600 0.3 T M Low-alloy steels 370 700 0.36 T M Austenitic, iron-base, heat-resisting alloys 540 1000 0.49 T M Nickel- and cobalt-base heat-resisting alloys...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... 300–390 0.48–0.54 T M Titanium alloys 315 600 0.3 T M Low-alloy steels 370 700 0.36 T M Austenitic, iron-base heat-resisting alloys 540 1000 0.49 T M Nickel- and cobalt-base heat-resisting alloys 650 1200 0.56 T M Refractory metals and alloys 980–1540 1800...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001394
EISBN: 978-1-62708-234-1
... specification and is apparently a proprietary alloy. High chromium-nickel alloys of this composition mostly find application as heat-resisting alloys. To those of a lower chromium and/or nickel content an addition of molybdenum is usually made in order to improve their corrosion resistance. The pump had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046998
EISBN: 978-1-62708-232-7
... adherent oxide, as observed on intermediate-temperature areas of the 18-cm (7-in.) specimen removed from the failed tube, is a phenomenon that is frequently encountered on nickel-base heat-resisting alloys when they are exposed to temperatures at which their oxidation resistance is marginal...
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
... to the sleeve on either side of the metal strip to restrict its movement over the sleeve. Incoloy 800 (UNS N08800) is Fe–Ni base super and heat resistant alloy widely used material for construction of equipment requiring corrosion resistance, heat resistance, strength, and stability for service up to 816 °C...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048616
EISBN: 978-1-62708-217-4
... that precipitated in the grain boundaries resulted in fracture of the bolt. Because of the operating temperatures of the duct near the bolt, the material was changed to A-286, which is a heat-resisting alloy and is less susceptible to carbide precipitation. The bolt was strengthened by shot peening the shank...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0065827
EISBN: 978-1-62708-221-1
... characteristics of a knife steel, for example, edge retention, resistance to softening under frictional heating, wear resistance, ease of heat treatment, dimensional stability in heat treatment, grindability, low alloy cost, and so forth. The failure analysis revealed longitudinal Charpy V-notch (room...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001238
EISBN: 978-1-62708-232-7
...Abstract Abstract Heating elements, consisting of strips, 40 mm x 2 mm, of the widely used 80Ni-20Cr resistance heating alloy, and designed to withstand a temperature of 1175 deg C, were rendered unusable by scaling after a few months service in a through-type annealing furnace, Although...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... also can have an adverse effect on subsequent fabrication and heat treatment. In heat treatable alloys, variations in composition can produce unexpected responses to heat treatments, which result in hard or soft spots, quench cracks, or other flaws. Excessive segregation that leads to significant...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
... solubility of C in its bcc atomic structure. Unlike austenitic alloys, alloy 430 can be annealed at temperatures within its sensitization range to restore its corrosion resistance. Heating at 760 to 815 °C (1400 to 1500 °F) for 4 h allows diffusion of Cr from the remainder of the matrix to replenish...
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
... are anodic to the main body of the metal and therefore less resistant to corrosion because of precipitated phases, depletion, enrichment, or adsorption. In wrought high-strength heat treatable aluminum alloys, paths of stress-corrosion cracks are always intergranular, because the thermal treatments...
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
... confirmed the suitability of the nickel-chromium alloys for such an environment. Inconel 625 was selected for fabrication of a new preheater/exchanger. Heat exchangers, materials selection Incinerators, materials selection Internal oxidation Nickel-base alloys, corrosion Solvents, environment 309...
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
... a corrosion product. (b) Etched section through the pit at arrow A, which penetrated the tube wall. 100×. (c) Etched section through a pit beneath the nodule at arrow B, with about 35% of the wall thickness remaining. 100× Fig. 8 Copper alloy C44300 heat-exchanger tube that failed by impingement...