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high-chromium white iron

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170107
EISBN: 978-1-62708-297-6
... between resistance to abrasion and the toughness needed to withstand repeated impact. All high-alloy white irons contain chromium to prevent formation of graphite on solidification and to ensure the stability of the carbide phase. Most also contain nickel, molybdenum, copper, or combinations...
Image
Published: 01 December 2001
Fig. 7 Effect of molybdenum content on the hardenability of high-chromium white irons of different Cr/C ratios More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200253
EISBN: 978-1-62708-354-6
... compounds ( 1 , 2 , 3 , 4 , 5 ) Abrasive Wear rate decreases with increasing hardness (i.e., single phase materials or matrix of two phase materials) and increasing volume percent of a hard second phase (i.e., carbides in high chromium white iron). The reduction in Abrasive Wear rate is limited...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060247
EISBN: 978-1-62708-261-7
... phase, while a low graphitization potential will result in irons with iron carbide. In terms of composition, the tendency to form white iron is enhanced by the addition of carbide formers such as chromium to the melt, while the formation of graphite is enhanced by the addition of graphitizers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240453
EISBN: 978-1-62708-251-8
... ranges, distinguishing features, advantages, limitations, and applications. cast iron cooling rate graphite formation cementite formation silicon aluminum nickel cobalt copper sulfur vanadium chromium tin molybdenum manganese microstructure white cast iron gray cast iron ductile...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... are alloy white iron, some are hard steel, and some are chromium plated) for lubricated reciprocating sliding systems. Cast irons are not widely used for plain bearings involving high speed (over 10,000 rpm). This is the forte of rolling elements, but cast irons are often used as the rotating member...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400001
EISBN: 978-1-62708-258-7
... Abstract This chapter introduces the metallographer to the various types of steels and cast irons and explains how they are classified and defined. Classification and designation details are provided for plain carbon steels, alloy steels, and gray, white, ductile, and malleable cast irons...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170100
EISBN: 978-1-62708-297-6
... annealing costs. The chromium content is kept low because of the carbide-stabilizing effect of this element and because it retards both the first-stage and second-stage annealing reactions. A mixture of gray iron and white iron in variable proportions that produces a mottled (speckled) appearance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
... the technology of unalloyed or low-alloyed gray iron castings and white iron and high-alloyed cast irons. Finally, it describes the casting defects that are associated with cast iron and the processes involved in solving these defects. The article includes a number of figures illustrating the topics discussed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730069
EISBN: 978-1-62708-283-9
...) precipitating simultaneously in the form of alternating platelets ( Fig. 7.2 ). This microstructure is called pearlite. Fig. 7.2 Microstructure of pearlite. Note the alternating platelets of ferrite (white) and iron carbide (dark). Source: Ref 7.2 When a steel that contains less than...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900001
EISBN: 978-1-62708-358-4
... International , 1990 , p 764 13. Townsend A.S. , Alloy Tool Steels and the Development of High-Speed Steel Trans. Am. Soc. Steel Treat. , Vol 21 , Jan-Dec 1933 , p 769 – 795 14. Hadfield R.A. , Alloys of Iron and Chromium , J. Iron Steel Inst. , Vol 42 (No. 2 ), 1892 , p...
Image
Published: 01 December 2001
Fig. 1 High-chromium iron microstructures. (a) As-cast austenitic-martensitic matrix microstructure. (b) Heat-treated martensitic microstructure. The massive eutectic carbides are the white constituent in both figures. Both at 500× More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060001
EISBN: 978-1-62708-261-7
... iron (a property taken advantage of in balancing the wings of jet fighter planes—being very heavy, a small amount of the metal does the job). Mushet had used 9% tungsten in his composition. Taylor and White doubled the tungsten, increased the chromium content, and used a higher hardening...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250073
EISBN: 978-1-62708-287-7
... included high-carbon chromium steels, chromium in high-speed steel, and their major work, “On the Nature of High Speed Steel,” which they published in Great Britain ( Journal of the Iron and Steel Institute ) rather than in the United States ( Ref 5 ). This paper was a compilation of the arts involved...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440207
EISBN: 978-1-62708-262-4
... 0.10 … High-strength grade 3.0 1.5 0.8 0.20 0.10 … White cast iron 2.0–3.5 (all combined) 0.5–1.5 0.5 0.2–0.4 0.10 … Malleable cast iron 2.3 1.0 0.4 0.20 0.10 … Ductile cast iron Ferrite 3.5 2.5 0.2 0.05 0.01 0.04 Mg Pearlitic 3.5 2.5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400049
EISBN: 978-1-62708-258-7
..., such as manganese and chromium. The manganese and chromium atoms are of similar size to the iron atom and can only move about the lattice at high temperatures. To move a substantial distance, the steel must remain at this high temperature for an extended time. An example of a homogenization treatment is given...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140175
EISBN: 978-1-62708-264-8
... C also appears white in this micrograph, and the austenite, which has transformed to pearlite, is black. Because the Fe 3 C is very hard and very brittle, these irons are also hard and brittle. The high hardness produces very good wear resistance. Because cast irons can be made to freeze...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.9781627082976
EISBN: 978-1-62708-297-6
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170021
EISBN: 978-1-62708-297-6
... they are added, and how they affect various properties, behaviors, and processing characteristics. It explains how silicon, chromium, and nickel, in particular, improve high-temperature, corrosion, and wear performance. annealing corrosion resistance gray iron hardenability normalizing stress...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250227
EISBN: 978-1-62708-345-4
... depths Effective Case Depth The effective case depth of a nitrided gear tooth should be the depth below the tooth surface at which the minimum hardness of 50 HRC is met for aluminum and high-chromium steels. On the other hand, low-chromium steels do not develop surface hardnesses above 50 HRC...