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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0048795
EISBN: 978-1-62708-220-4
... Abstract A large pressure vessel designed for use in an ammonia plant failed during hydrostatic testing. It was fabricated from ten Mn-Cr-Ni-Mo-V steel plates which were rolled and welded to form ten cylindrical shell sections and three forgings of similar composition. The fracture surfaces...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001489
EISBN: 978-1-62708-217-4
... observed inclusions were spinel solid solutions of the type MO middot; N2O3, where M = Fe, Mn, or Mg and N = Cr or Al. The detrimental inclusions were corundum, calcium aluminates, cristobalite, and silicates. The most detrimental phases were traced on the surfaces of the specimens fractured using impact...
Book Chapter

By Friedrich Karl Naumann, Ferdinand Spies
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001262
EISBN: 978-1-62708-224-2
... after three or four months' service. It was reportedly manufactured of the heat resistant steel 30 CrMoV 9 (Material No. 1.7707). Verification of the chemical composition yielded the following values: C % Si % Mn % P % S % Cr % Mo % V % 0,32 0,18 0,60 0,022 0,013 2,34 0,01...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001535
EISBN: 978-1-62708-232-7
... shown in Fig. 10 reveals compositional contrast based on atomic number differences of the constituent elements in the carbide segregate. The elemental x-ray dot-mapping images of Cr, V, Mo, W, Fe, and C are shown in Fig. 10 , respectively. The triangular particle displaying a greyish contrast...
Book Chapter

By Mohan D. Chaudhari
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001332
EISBN: 978-1-62708-215-0
... presents results of chemical analysis by optical emission spectrometry. Results of chemical analysis Table 1 Results of chemical analysis Composition, % Material C Mn P S Si Cu Sn Ni Cr Mo Al V Main flange steel 0.23 0.62 0.024 0.038 0.24...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001610
EISBN: 978-1-62708-222-8
... ( Table 1 ). None of these materials are listed in ISO standards for surgical implant material ( Table 2 ). Conventional chemical analysis results of Jewelry 4 show the presence of residual elements such as Mn (<15 ppm), Al (13 ppm), Co (42 ppm), Cr (<20 ppm), Ni (14 ppm), and Mo (16 ppm). Results...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001603
EISBN: 978-1-62708-228-0
... of the weld joint: (Eq 1) CE = C + Mn / 6 + ( Cr + Mo + V ) / 5 + ( Ni + Cu ) / 15 (Eq 2) Pcm = C + ( Mn + Cr + Cu ) / 20 + ( Mo / 15 ) + ( Ni / 60 ) + ( V / 10 ) + ( Si...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001055
EISBN: 978-1-62708-214-3
... that the material met the specifications and appeared to be an easily welded steel with a carbon equivalent (CE) of 0.42: CE = % C + % Mn 6 + ( % Cr + % Mo + % V ) 5       + ( % Ni + % Cu ) 15 Compositions of inner and outer plates Table 1...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001833
EISBN: 978-1-62708-241-9
....%) C Si Mn Cr Mo V S P Fe 0.10 1.18 0.55 1.79 0.30 0.33 0.020 0.024 Balance Experimental Results Crack Morphology Obtained by acetic cellulose film replica, the morphology of the thin cracks on the outer surface of the steam chest is shown in Fig. 1 . The morphology...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
... analysis, is presented in Table 1 , and the chemical composition of the austenitic stainless steel is shown in Table 2 . Chemical composition of duplex stainless steel Table 1 Chemical composition of duplex stainless steel C Si Mn P S Cr Ni N Mo V Cu W Co Fe 0.02 0.52 1.85...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001561
EISBN: 978-1-62708-229-7
... Mo steel. They attributed the dimpled appearance to the possible decohesion of grain boundary MnS/Matrix interfaces during plastic deformation causing a large amount of cavity nuclei which could induce secondary cracking. Conclusions The primary cause of the cracking appears...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001834
EISBN: 978-1-62708-241-9
..., pressure = 3.9 MPa) for only 3000 h before failure. The tube is fabricated from low-alloy steel T12 (15 CrMo) with dimensions of ϕ38 × 4 mm 2 . The composition of the alloy is 0.160% C, 0.290% Si, 0.610% Mn, 0.019% S, 0.016% P, 0.950% Cr, 0.054% Ni, and 0.440% Mo, consistent with ASTM A213 specifications...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001776
EISBN: 978-1-62708-241-9
..., % Element Composition, % C 1.24–1.34 V 0.006–0.008 Si 0.51–0.90 Ti 0.011–0.014 Mn 12.0–14.00 Al 0.05 P 0.04–0.06 Mg 0.003 S 0.001–0.002 Sn 0.0017 Cr 0.10–0.12 As 0.018–0.020 Mo 0.055–0.057 Co 0.04 Ni 0.017–0.021 W 0.067 Cu 0.01–0.03 Fe Balance...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001837
EISBN: 978-1-62708-241-9
... and actual chemical composition (in wt.%) of steel nozzle assembly and filler metal C Si Mn P S Cr Mo V Recommended chemical composition Nozzle assembly 0.10–0.16 ≤0.20 0.8–1.1 ≤0.020 ≤0.015 1.25–1.50 0.8–1.0 0.20–0.30 Filler metal 0.11 ≤0.20 1.0 ≤0.020 ≤0.015 1.40 0.90...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001217
EISBN: 978-1-62708-235-8
.... The examined specimen had the following composition: C % Si % Mn % P % S % Cr % Mo % V % Al % N % 0,19 0,48 0,85 0,012 0,006 0,16 1,16 0,39 0,012 0,0095 Nitrogen and aluminum concentrations and the product Al N were so low that on the basis of prior experience 1...
Book Chapter

By Mohan D. Chaudhari
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0089696
EISBN: 978-1-62708-220-4
..., 0.93% Mn, 0.023% P, 0.023% S, 0.53% Si, 0.044% Cu, 0.003% Sn, 0.50% Ni, 0.52% Cr, 0.20% Mo, 0.068% Al, and 0.003% V. Mechanical Properties Hardness Vickers hardness testing (500 g load) found the as-cast base metal to have readings of 215, 229, and 229 HV, for an average hardness of 224 HV...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001830
EISBN: 978-1-62708-241-9
... requirement. Chemical Composition of Failed Marriage Bolt and ASTM A193 B16 Table 2 Chemical Composition of Failed Marriage Bolt and ASTM A193 B16 Element Composition, % C Si P S Mn Cr Mo V Failed bolt 0.39 0.31 0.007 0.015 0.58 0.98 0.57 0.25 A193 B16 0.36–0.44...
Book Chapter

By Mohan D. Chaudhari
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001089
EISBN: 978-1-62708-214-3
... analysis of the crosshead material identified a composition of 0.27% C, 0.93% Mn, 0.023% P, 0.023% S, 0.53% Si, 0.044% Cu, 0.003% Sn, 0.50% Ni, 0.52% Cr, 0.20% Mo, 0.068% Al, and 0.003% V. Mechanical Properties Hardness Vickers hardness testing (500 g load) found the as-cast base metal to have...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001779
EISBN: 978-1-62708-241-9
... Chemical analysis of booster pump alloy Table 1 Chemical analysis of booster pump alloy C Si Mn P S Cr Ni Mo Cu 0.35 0.4 0.84 0.04 0.01 0.06 0.11 0.02 0.09 V W Co Al Sn As Sb Fe 0.003 0.009 0.004 0.057 0.007 0.003 0.003 Base...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001304
EISBN: 978-1-62708-215-0
... solidification cracking ( Ref 3 ). Chemical analysis of individual components, wt% Table 2 Chemical analysis of individual components, wt% Sample ID C Mn P S Si Cu Ni Cr Mo Al V Nb Co Diffuser Intake flange 0.04 1.63 0.027 0.001 0.52 0.14 18.9 25.9 0.11 0.009 0.06...