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Cr-Mo-V

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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.c9001079
EISBN: 978-1-62708-214-3
.... The material was found to be a typical Cr-Mo-V steel, and it met the property requirements. No evidence of temper embrittlement was found. The analyses showed that the observed flaws were present in the original forging and attributed them to lack of ingot consolidation. A series of actions, including...
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
...Abstract Abstract A cracked 356 mm (14 in.) diam slip-on flange (Ni-Cr-Mo-V steel) was submitted for failure analysis. Reported results and observations indicated that the flange was not an integral forging or a casting, as specified. It had been fabricated by welding and machining a ring...
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
...Abstract Abstract A chain link which was part of the hoisting mechanism of a drop hammer broke after three or four months of service. It was reportedly manufactured of the heat resistant steel 30 Cr-Mo-V 9 (Material No. 1.7707). The fracture of the chain link had a conchoidal structure and ran...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001004
EISBN: 978-1-62708-229-7
...Abstract Abstract The results of a failure analysis of a series of Cr-Mo-V steel turbine studs which had experienced a service lifetime of some 50,000 h are described. It was observed that certain studs suffered complete fracture while others showed significant defects located at the first...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0091009
EISBN: 978-1-62708-235-8
... welding, immediately prior to heat treatment. Multiple-pass arc welds secured the carbon-steel flanges to the Ni-Cr-Mo-V alloy steel tubes. Investigation (visual inspection, metallographic analysis, and evaluation of the fabrication history and the analysis data) supported the conclusion that the tube...
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 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...
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
... and Microhardness Measurement To determine the grade of the alloy, one piece was cut from the failed marriage bolt and tested using atomic absorption spectrometry. According to manufacturer’s documents the bolt was made from ASTM A193 B16 (Cr-Mo-V) steel. This material is considered as the most suitable...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001183
EISBN: 978-1-62708-223-5
... zones gave the following values: A steel of similar compositon, the material X 38 Cr Mo V 5 1 (W-No. 2343) is used for hot working tools. This result is strong proof that the sliver originated from a damaged press tool. Selected Reference Selected Reference • Failures Related...
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
... scanning Auger microprobe analysis chemical composition Cr-Si-Mo-V steel (chromium alloy steel) Introduction Experimental Methods Experimental Results Discussion Summary and Conclusions References References 1. Qi Y.X. : Anal. Chem. , 1990 , ( 12 ), p. 1125 (in Chinese...
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
... in combination with thermal stresses and constraint conditions, resulted in intergranular brittle fracture. welded nozzle assembly brittle fracture localized heating chromium alloy steel transgranular cleavage dimple rupture dye penetrant testing welding parameters 0.1%C-1.25%Cr-0.8%Mo-0.2%V steel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089793
EISBN: 978-1-62708-235-8
... composition of 0.21C-0.77Mn; composition of the 125 mm (5 in.) plate was 0.19C-0.76Mn, giving carbon equivalents (CE) of 0.34 and 0.32, respectively (CE = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15); these CE levels are indications of good weldability and resistance to weld cracking. The welds were made...
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
... + ( % Cr + % Mo + % V ) 5       + ( % Ni + % Cu ) 15 Compositions of inner and outer plates Table 1 Compositions of inner and outer plates Sample Composition, % C Mn P S Si Cr Ni Inner plate 0.251 0.78 0.02 0.021 0.05 0.06 0.06...
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
... rewarding. 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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001666
EISBN: 978-1-62708-229-7
... possibly related to chloride or sulphate ion steam contaminants. Subsequent sectioning and conventional metallography confirmed both the validity of the conclusions and the replication techniques. Corrosion products Field metallography Intergranular corrosion Turbine discs 2.5Ni-Cr-Mo-V Stress...
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
... and 0.20, respectively, indicating adequate resistance to cold and hot cracking 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...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001796
EISBN: 978-1-62708-241-9
... damage. Composition of the submitted tri-lobe bearing according to AMS specification [<xref rid="c9001796-ref4" ref-type="bibr">4</xref>] Table 1 Composition of the submitted tri-lobe bearing according to AMS specification [ 4 ]   C, % Ni, % Cr, % Mo, % V, % M50 (AMS 6491) 0.80...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
...Chemical composition of retarder and specification limits from customer standard Table 10 Chemical composition of retarder and specification limits from customer standard Chemical composition, wt% C Mn P S Si Cr Ni Mo Cu V Carbon equivalent...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001669
EISBN: 978-1-62708-229-7
... Cr-1Mo material. Chemical Composition of Superheater Outlet Header Base Material and Longitudinal Seam Weld Metal Table 1 Chemical Composition of Superheater Outlet Header Base Material and Longitudinal Seam Weld Metal Composition (Weight Percent) C Mn P S Si Ni Cr Mo V Co...
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
... microanalysis indicated that the randomly distributed isolated carbides, visible even in unetched microsections, were V-rich, MC-type carbides. On the other hand, the complex alloy (Cr-V-W-Mo) carbide segregates were essentially of M 7 C 3 and M 23 C 6 types. The incidence of large amounts of W (23.6 wt...
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 both material strength and damage tolerance, much as in static design. The chromium-molybdenum steels, stainless steels, and Cr-Mo-V steels, which are commonly used in high-temperature service, are considered to be creep-ductile materials with the ability to sustain significant amounts of crack growth...