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austenitizing

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Published: 30 August 2021
Fig. 12 Effect of austenitizing temperature on structure of 1% C steel. (a) Quenched from 1000 °C (1830 °F). Coarse martensite plates (gray) and retained austenite (white). Vickers hardness of 745. (b) Quenched from 750 °C (1380 °F). Spheroidized carbides (white) in a fine martensite matrix More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001159
EISBN: 978-1-62708-232-7
... Abstract A recuperator used for preheating the combustion air for a rolling mill furnace failed after a relatively short service time because of leakage of the pipes in the colder part. The 6 % chrome steel pipes used for the warmer part connected by means of welding with austenitic electrodes...
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Published: 01 January 2002
Fig. 33 Volume fraction of retained austenite in carbon steels fully austenitized and water quenched in water or brine at room temperature. Source: Ref 11 More
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
... in a chemical plant handling mixtures of organic liquids and dilute sulphuric acid having a pH value of 2–4 at temperatures of 80–90°C. It worked for approximately 20 minutes every two hours and failure occurred after some 1,200 hours service life. Intergranular attack in austenitic steels is promoted...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001110
EISBN: 978-1-62708-214-3
...). Pertinent Specifications The tube was seamless and was manufactured from type 321 austenitic stainless steel (0.04% C, 1.67% Mn, 1.07% Si, 0.040% P, 0.006% S, 17.50% Cr, 9.77% Ni, 0.27% Mo, 0.28% Cu, 0.53% Ti, with the balance iron). The wall thickness was 1 mm(0.04 in.). Testing Procedure...
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Published: 01 June 2019
Fig. 3 Cracking in the bearing cup along prior austenite grain boundaries More
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Published: 01 June 2019
Fig. 1 Cracks at the inside surface of CF8M austenitic stainless steel suction roll. More
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Published: 01 June 2019
Fig. 5 Influence of austenite grain side d γ and pearlite colony size d ρ on fatigue crack initiation life N i More
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Published: 01 June 2019
Fig. 4 Transgranular branching SCC in the CF8 austenitic stainless steel casting. Magnification 100× More
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Published: 01 June 2019
Fig. 7 Voids on the austenite grain boundaries below the scaled region, cross-section, etched in V2A pickling solution. 100× More
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Published: 01 June 2019
Fig. 14 Microstructure of metal smeared on flange: martensite and residual austenite. Large inclusions of scale are grey. Etched (FeCl 3 + HCl + ethanol). 500 × More
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Published: 01 June 2019
Fig. 2 SEM micrograph showing intergranular fracture along prior-austenite grain boundaries at fracture-initiation site in ultrahigh-strength steel dragline bucket tooth. 200× More
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Published: 01 June 2019
Fig. 2 SEM micrograph showing intergranular fracture along prior-austenite grain boundaries at fracture-initiation site in ultrahigh-strength steel dragline bucket tooth. 200x More
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Published: 01 June 2019
Fig. 4 Microstructure of the damaged area, reformed austenite and martensite. Microhardness 924 HV. 400 × More
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Published: 01 June 2019
Fig. 6 Oxide precipitates at austenitic grain boundaries 3 mm under surface, etch: Nital.200 × More
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Published: 01 June 2019
Fig. 8 MnS inclusions and ferrite network at the austenite grain boundaries in longitudinal section through the starting point of the weld seam, Etch: picral. 500 × More
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Published: 01 June 2019
Fig. 6 Precipitates on lattice planes and twin planes of former austenite. Etch: Picral. approx. 420 × More
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Published: 01 June 2019
Fig. 5 Martensite zone adjacent to the austenitic weld seam, etch: picral. 100 × More
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Published: 01 June 2019
Fig. 6 Martensite zone adjacent to the austenitic weld seam, etch: picral. 500 × More
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Published: 01 June 2019
Fig. 1 Normal microstructure of AISI 304L austenitic stainless steel (etched with oxalic acid solution, 500×). More