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Carburization (corrosion)

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Image
Published: 01 September 2008
Fig. 73 Effect of tempering temperature on corrosion resistance of carburized stainless steel 1Kh16N2AM. The corrosion test was conducted in a humidity cabinet. Source: Ref 133 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900291
EISBN: 978-1-62708-358-4
.... It provides information on hubbing and machined cavity grades of mold steels and describes the performance of the corrosion-resistant mold steels. The chapter discusses the processes involved in forging, annealing, stress relieving, carburizing, hardening, and tempering of mold steels. It presents...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900013
EISBN: 978-1-62708-350-8
... Abstract The unique advantages of the nitriding process were recognized by German researchers in the early 1920s. It was used to treat steels for applications that required: high torque, high wear resistance; abrasive wear resistance; corrosion resistance; and high surface compressive strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080097
EISBN: 978-1-62708-304-1
... of carburization attack. In the petrochemical industry, carburization is one of the major modes of high-temperature corrosion for processing equipment. The pyrolysis furnace tubes for production of ethylene and olefins are a good example ( Ref 3 – 5 ). Ethylene is formed by cracking petroleum feedstock...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030025
EISBN: 978-1-62708-282-2
... Abstract This chapter focuses on resistance characteristics and methods of protecting different forms of high-temperature gaseous corrosion, namely high-temperature oxidation, sulfidation, carburization, hydrogen effects, and hot corrosion. high-temperature gaseous corrosion high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... excellent adherence and provide good resistance to flaking from impact or flexing when painted. Corrosion resistance, either through film or scribe undercut, is usually less than that attained with zinc phosphate. However, a good iron phosphate coating often outperforms a poor zinc phosphate coating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
..., case crushing, pitting corrosion, and partial melting are also provided. carburized components carbonitrided components hardenability residual stress dimensional stability quenching cracks grinding cracks micropitting macropitting case crushing pitting corrosion partial melting carbon...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... References 1. Kovacs W.L. , Commercial and Economic Trends in Ion Nitriding/Carburizing , in Ion Nitriding and Ion Carburizing , ASM International , 1990 , p 5 – 12 2. Stevens K. , “ Surface Engineering to Combat Wear and Corrosion: A Design Guide ,” The Institute of Materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200298
EISBN: 978-1-62708-354-6
... Abstract This chapter provides a detailed discussion on the definitions, alloy classification, alloy selection, mechanical properties, hot gas corrosion resistance, and formability of heat-resistant high alloy steels. In addition, the applications of cast heat-resistant alloys are also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
... into the steel. Unlike carburizing, nitriding is conducted between 500 and 550 °C (930 and 1020 °F). Since this is below the austenite formation temperature, the steel must be quenched and tempered before nitriding. Nitriding improves wear resistance, fatigue resistance, and corrosion resistance. The case...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
..., if the operational loads do not exceed the yield strength of the metal. The principal types of elevated-temperature failure mechanisms are creep, stress rupture, low-cycle or high-cycle fatigue, thermal fatigue, overload, hot corrosion, embrittlement, sulfidation, carburization, oxidation, distortion...
Image
Published: 01 November 2007
Fig. 10.71 Type 304H reheater (the same one shown in Fig 10.67) at 3 or 9 o’clock positions, where no severe coal-ash corrosion attack occurred, showing no carburization attack. Courtesy of Welding Services Inc. More
Image
Published: 01 November 2007
Fig. 10.70 Optical micrograph showing Type 304H reheater (the same one shown in Fig. 10.67 ) that suffered carburization on the surface where severe coal-ash corrosion took place (about 2 and 10 o’clock positions). Courtesy of Welding Services Inc. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350231
EISBN: 978-1-62708-315-7
... Abstract This chapter is a compilation of terms and definitions related to surface engineering for corrosion and wear resistance. corrosion resistance surface treatment wear resistance Surface Engineering for Corrosion and Wear Resistance Copyright © 2001 ASM International® J.R...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Image
Published: 01 November 2007
Fig. 14.4 Corrosion depth for unstressed and stressed specimens of alloy 800H tested at 800 °C (1470 °F) in H 2 -1.2H 2 O-0.4H 2 S (5 × 10 –22 atm p O 2 , 4×10 –9 atm p S 2 ). Also included was the data generated from H 2 -1.2H 2 O-7CO-0.4H 2 S (5 × 10 –22 atm p O 2 , 5 × 10 –9 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080003
EISBN: 978-1-62708-304-1
... Abstract This chapter explains how materials selection becomes much more difficult when designing for high-temperature corrosion environments. It also discusses the use of cladding and weld overlays to compensate for material deficiencies and prolong service life. corrosion resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080321
EISBN: 978-1-62708-304-1
.... Carburization was often observed to take place after the alloy suffered severe wastage with no protective oxide scales on the corroded surface. In addition to selecting a better-performing alloy to resist oil-ash corrosion, methods that could reduce superheater and reheater corrosion include (a) decreasing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140189
EISBN: 978-1-62708-264-8
... into the outer surface layers. It discusses several such surface-hardening processes, including carburizing, nitriding, carbonitriding, and nitrocarburizing. carbonitriding carburizing nitriding nitrocarburizing steels surface hardening THERE ARE MANY APPLICATIONS where a very hard surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1