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alloy nominal composition

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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
..., cardboard, or particle board took place in a paper mill using an alloy with a nominal composition of Fe-0.48C-0.30Mn-0.90Si-8.50Cr-1.35Mo-1.20W-0.30V. This alloy performed well in pulp mill applications where the knives are typically 20 to 30 in. (51 to 76 cm) long, from about 5 to 7 in. (13 to 18 cm...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0090114
EISBN: 978-1-62708-229-7
...Abstract Abstract The first-stage blades in a model 501D5 gas turbine had 16 cooling holes. After 32,000 h of service, the blades exhibited cracking at the cooling holes. The blade material was wrought Udimet 520 alloy, with nominal composition of 57Ni-19Cr-12Co-6Mo-1W-2Al-3Ti-0.05C-0.005B...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0047307
EISBN: 978-1-62708-223-5
...Abstract Abstract An impact breaker bar showed signs of rapid wear. The nominal composition of this chromium alloy cast iron was Fe-2.75C-0.75Mn-0.5Si-0.5Ni-19.5Cr-1.1Mo. The measured hardness of this bar was 450 to 500 HRB. The desired hardness for this material after air hardening is 600...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001775
EISBN: 978-1-62708-241-9
... provided a caustic solution (NaOH) to remove HCl from the stream, before the latter was directed to a burner. Metallographic examination showed that the cracks were intergranular and were frequently branched. Although nominal chemical composition of the component was found within the specified range...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001294
EISBN: 978-1-62708-215-0
... to room temperature Sub-zero cool: −73°C (−100°F) for ≥ 3 h Equalized: 774°C (1425°F) for ≥ 3 h, cool in air to ≤ 27° (80°F) Over-temper: 579°C (1075°F) for ≥ 3 h, cool to room temperature Composition of AM-355 and AM-350 Table 1 Composition of AM-355 and AM-350 Alloy Nominal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090959
EISBN: 978-1-62708-222-8
... at the same hardness level than is lower bainite. The observed structure suggests that the austempering heat treatment was performed too close to the nominal martensite start temperature (M s ). Alternate bands of slightly different alloy composition, which resulted from rolling practice and are not unusual...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001717
EISBN: 978-1-62708-217-4
... the chemical composition of the alloy. The material was required to conform to the governing material specification. The composition was determined by the Leco combustion method (carbon and sulfur), and inductively coupled argon plasma emission spectroscopy. The material met the requirements...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001344
EISBN: 978-1-62708-215-0
... in.), with a nominal wall thickness of 5 mm (0.200 in.). Subsequent inspection of the superheater banks showed no leaks in the primary or secondary banks, which were fabricated from 2.25Cr-1.0Mo low-alloy steel. The tube ruptures were confined to the 304H sections of the tertiary bank, principally at the bottom...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
...Abstract Abstract Identification of alloys using quantitative chemical analysis is an essential step during a metallurgical failure analysis process. There are several methods available for quantitative analysis of metal alloys, and the analyst should carefully approach selection of the method...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001595
EISBN: 978-1-62708-235-8
... and combined effects of alloying elements. A comparison measure, identified as the critical diameter(D I ), was implemented to estimate the hardening response of a steel from the chemical composition. The critical diameter calculated for a given steel composition can thereafter be used to create an approximate...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001119
EISBN: 978-1-62708-214-3
... not be characterized as extraordinary service. The springs were manufactured according to specification SAE J157, “Oil Tempered Chromium-Silicon Alloy Steel Wire and Springs.” Shot peening and a surface coating were also required. The nominal wire diameter was 4.9 mm (0.192 in.). The springs have been used...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001330
EISBN: 978-1-62708-215-0
... of the weld joint were tested for chemical analysis using optical emission spectroscopy (OES) to determine the alloy composition. The results ( Table 1 ) confirmed that tube 1 and the portion of tube 2 containing the failure were fabricated from low-carbon steel consistent with ASTM A192 tubing specification...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001287
EISBN: 978-1-62708-215-0
... Composition, % C Si Mn S P Ni Cr Fe Steel shaft 0.16 0.22 0.60 0.11 0.05 0.175 0.055 bal EN 3, nominal specification 0.15–0.25 0.05–0.35 0.60–1.0 0.06 max 0.06 max … … bal Hardness Hardness of the bar was measured on a transverse section. The hardness was 169 HV...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001365
EISBN: 978-1-62708-215-0
... . The as-deposited weld filler metal composition is consistent with the nominal 12% Cr requirements. Chemical composition of the damaged impeller Table 1 Chemical composition of the damaged impeller Composition, wt% Chemical requirements for A743 grade CA-15 stainless steel Element Damaged...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001534
EISBN: 978-1-62708-220-4
... ). Their nominal chemical compositions are given in Table 1 . Nominal chemical compositions of materials of construction Table 1 Nominal chemical compositions of materials of construction Nominal chemical composition, wt % Element Pipe Dished end Carbon 0.25 0.30 Manganese 0.95 0.29...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001337
EISBN: 978-1-62708-215-0
... of two graphite nodules and carbide spheroidization typical of the mid-wall microstructure of the tube. Nital etch. 285× Material A portion of the superheater tube was chemically analyzed by optical emission spectroscopy (OES) to confirm the alloy composition. The results, given in Table 1...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0091538
EISBN: 978-1-62708-233-4
..., with resultant overloading and damage to adjacent circuits as well. Investigation Conclusions Corrective Measures Discussion Emission spectrographic analysis of failed retainers removed from the vessels showed that the composition was within the prescribed range for copper alloy C65500. On each...
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
... contributed to failure by providing less resistance to intergranular attack than would be provided by a finer-grain material. Chemical analyses of material were made at several locations near the failure. Although analyses of most elements corresponded closely with the nominal RA 330 composition, chromium...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001109
EISBN: 978-1-62708-214-3
... conditions less favorable to the evaporation/condensation mechanism of salt deposition. Another is to specify an alloy that is more resistant to alkali sulfate/chloride-induced hot corrosion. A grade such as EH stainless steel, with a nominal composition of 0.35% C, 28% Cr, 16% Ni, 2.0% Si, and 0.5% Al...
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
... psig), 600 °C (1110 °F) and above >42 Advanced ultrasupercritical 27.8–34.5 MPa (4000–5000 psig), 700–760 °C (1300–1400 °F) >45 Source: Ref 34 Nominal composition of alloys tested in molten chlorides at 650 and 700 °C (1200 and 1290 °F) under nitrogen Table 3 Nominal...