1-20 of 58 Search Results for

Class 40

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0047220
EISBN: 978-1-62708-220-4
...Abstract Abstract Two oil-pump gears broke after four months of service in a gas compressor that operated at 1000 rpm and provided a discharge pressure of 7240 kPa (1050 psi). The compressor ran intermittently with sudden starts and stops. The large gear was sand cast from class 40 gray iron...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0048250
EISBN: 978-1-62708-236-5
... drum shaft. The worm and the worm gear were made of leaded cold-drawn 1113 steel and class 35-40 gray iron (nitrided in an aerated salt bath) respectively. The gearbox was found to contain fragments of the worm teeth and shavings that resembled steel wool. More than half of the worm teeth were revealed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047297
EISBN: 978-1-62708-235-8
... 0.060 Silicon 2.21 Nickel <0.05 Chromium 0.09 Molybdenum 0.04 Copper 0.55 Tin <0.02 Vanadium 0.05 Iron rem The carbon equivalent of the cracked casting was 3.99. These data indicate that both castings have a composition closer to class 40 than to class 30...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001591
EISBN: 978-1-62708-227-3
... by the two White Star Line tenders, the SS Nomadic and the SS Traffic. Many of the first class passengers came on board at Cherbourg after having spent the winter in the South of France, on the Greek Isles, or in Egypt. The next morning, the RMS Titanic called at Queenstown (now Cobh), Ireland, where...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001128
EISBN: 978-1-62708-214-3
...Abstract Abstract Creep crack growth and fracture toughness tests were performed using test material machined from a seam welded ASTM A-155-66 class 1 (2.25Cr-1Mo) steel steam pipe that had been in service for 15 years. The fracture morphology was examined using SEM fractography. Dimpled...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001735
EISBN: 978-1-62708-220-4
... the extent of creep damage. This is known to be the main cause for life extinction in this class of equipment ( 2 ), whose useful lives may vary from 30,000 to 150,000 h. Creep damage assessment is based on the detection of damage centers in the form of apparent voids distributed along grain boundaries...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001835
EISBN: 978-1-62708-241-9
... of the bolted joints The dimension of the blade bearing is 945 mm × 1255 mm × 130 mm, and it is assembled to the blade by means of M24 10.9 class bolts equally distributed along its inner ring. The total number of the bolts is 48. The bearing’s inner ring bolts connect the blade, the bearing’s inner ring...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001765
EISBN: 978-1-62708-241-9
... ASTM A283 grade C UNS K02401 ASTM A537 class 2 Introduction Background of the Failure Visual Examination Magnetic Flux Leakage (MFL) Inspection Evaluation of CP System Analysis of Corrosion Products Discussion Conclusions Recommendations References References 1...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
..., a cast material, to an ASTM A182-82 Grade F6a (Nuclear Class 4), which is a forging and has proven operating history for end fittings of CANDU reactors. Thus, the possibility of defects arising from a casting is eliminated. The heat treatment procedure was very closely monitored and controlled to give...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001143
EISBN: 978-1-62708-229-7
... and potassium chloride. As the steam expands through the turbine, the solubility of the corrosive chemicals decreases. When the solubility limit is reached the chemicals precipitate into droplets of concentrated solutions which are in equilibrium with the steam. Chemicals such as sodium hydroxide are in a class...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001434
EISBN: 978-1-62708-236-5
..., which is so often responsible for the initiation of fatigue cracks in service. In some cases, welding can be applied successfully, but only if the class of material to be welded is known and the appropriate welding technique is carefully applied; in others (such as the one described) it is best avoided...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
..., or as heat exchangers in various segments of the chemical and power generation industries. It covers the fundamental aspects of chemical corrosion and describes the corrosion resistance characteristics of specific classes of refractories and structural ceramics. The article also examines the prevention...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001141
EISBN: 978-1-62708-227-3
... Norske Veritas , 1974 . 8. “Rules and Regulations for the Classification of Ships” , Lloyds Register of Shipping , 1978 . 9. “Rules for Building and Classing Steel Vessels” , American Bureau of Shipping , 1981 . 10. “Guide for Steel Hull Welding” , Document D35–76, American Welding...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001083
EISBN: 978-1-62708-214-3
... for quantitative chemical analysis. The chemical composition of the impeller material is presented in Table 2 , along with the chemical requirements for ASTM Specification B62, class C83600. The impeller material did not meet the chemical requirements. The phosphorus content of the material was too high: 0.22...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001814
EISBN: 978-1-62708-241-9
... that contributed to the high-temperature degradation were also analyzed and are discussed. pressure vessel fracture overtemperature steel bulging rupture x-ray diffraction analysis fracture toughness SA387 grade 11 class 2 (1.25Cr-0.5Mo chromium-molybdenum alloy steel) ASTM B424 (Ni-Fe-Cr-Mo-Cu...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001137
EISBN: 978-1-62708-228-0
... which represented another class of CSPVs. One of these vessels, used as carbon dioxide adsorber and operating at −130°C, had failed catastrophically through a crack in its domed head some two years previously. A failure analysis report ( 4 ) attributed the failure largely to stress corrosion cracking...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001420
EISBN: 978-1-62708-220-4
... presence undoubtedly accelerated the corrosive influences as a result of electrochemical action, but the evidence available is insufficient to indicate the magnitude of this effect on the fissures. This case illustrates the danger of operating this class of plant without subjecting it to periodical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001721
EISBN: 978-1-62708-225-9
... strength, going from SAE grade 8 to ASTM A574 type bolts, this actually increased the susceptibility, as the susceptibility generally increases with increasing strength in a given alloy class. Possible solutions to the problem include removing any one of the three factors that promote SCC. The easiest...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001275
EISBN: 978-1-62708-215-0
.... It was elevated temperature strength class A and had a standard diameter ratio (SDR) of 11.5. For this SDR, the specified outer diameter is 11.43 ± 0.0229 cm (4.5 ± 0.009 in.) and the wall thickness is 1.04 ± 0.124 cm (0.409 ± 0.049 in.). There have been no general problems with the performance of squeeze...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001593
EISBN: 978-1-62708-234-1
... that the body section be made from an unfilled polysulfone resin. Polysulfone is a transparent amorphous engineering thermoplastic, which, by comparison with other resins, is generally considered to be a ductile and tough material. Like many other plastics, however, it is somewhat notch sensitive. As a class...