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high-alloy 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
... Abstract This article discusses the production, properties, and uses of high-alloy white irons. It explains how the composition and melt are controlled to produce a large volume of eutectic carbides, making these irons particularly hard and resistant to wear, and how the metallic matrix...
Image
Published: 01 January 2022
Fig. 7.46 High-alloy cast iron and white iron. Source: Ref 3 More
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
... than most steels, they are cheap, more readily cast than steels, and have other useful properties. With proper alloying, good foundry practice, and appropriate heat treatment, the properties of any cast iron can be varied over a wide range. Large tonnages of high-quality cast irons are produced...
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...
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...
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
... such as silicon or copper ( Fig. 10.4 ). High carbon and silicon are the primary alloys that increase the graphitization potential of the iron as well as its castability. Fig. 10.4 Effect of alloying elements on the formation of either graphitic or white cast iron during eutectic solidification. Source...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400001
EISBN: 978-1-62708-258-7
... temper embrittlement. Forms an undesirable iron phosphide (Fe 3 P) at high phosphorus levels (especially in cast irons) Sulfur (S) Usually considered an impurity in steel. Added to special steels for improved machinability Silicon (Si) An essential alloying element in most steels. Added...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320157
EISBN: 978-1-62708-332-4
... feeders being common especially in high-volume machine molding De-gating Easy to break the gates at the knock-out station as white iron is very brittle Fig. 8.5 Gating system for elbow castings. Source: Ref 5 . Courtesy of DISMATIC Fig. 8.6 Gating and feeding systems for arm...
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
...%), which improves high-temperature strength ( Fig. 3 ) Fig. 3 Stress-rupture plot for (a) pearlitic malleable iron and (b) alloyed pearlitic malleable iron. The solid lines are curves determined by the method of least squares from the existing data. The dashed lines define the 90% symmetrical...
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
... (2110 to 2100 °F) but not Fe 3 C, and therefore, graphite is a more stable phase. Thus, in iron-carbon alloys, Fe 3 C is actually a metastable phase. On cooling pure, high-carbon austenite, the graphite phase can form at the higher temperatures (given by the A gr line) than can the Fe 3 C cementite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320031
EISBN: 978-1-62708-332-4
... the formation of white iron. Slightly thicker walls may need some minor additions of carbide-stabilizing elements (such as bismuth or tellurium) to encourage solidification as white iron. White iron is hard and brittle with high compressive strength and excellent wear resistance. The hardness is maintained even...
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
... of steels to be cold formed usually is less than 0.06% and in some cases is as low as 0.002%. In recent decades, concern over weight has led to the introduction of steels with somewhat higher yield strengths. High-strength, low-alloy (HSLA) steels are strengthened by a combination of precipitation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220583
EISBN: 978-1-62708-259-4
...). Manganese Manganese makes cementite decomposition more difficult because it dissolves in this phase. In manganese-containing iron-based alloys, cementite can be described as (Fe, Mn) 3 C. When the manganese content is high, it may counteract the effects of silicon and render the cast iron white...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
... as a single composition at 6.7% C. Cementite exists up to 1227 °C (2240 °F), which is its melting temperature. The term “ferrite” appears twice on the iron-cementite diagram: as delta ferrite at high temperatures of 1394 to 1538 °C (2340 to 2800 °F) and as alpha ferrite at temperatures below 912 °C (1675 °F...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440207
EISBN: 978-1-62708-262-4
... of the mass of the casting. The result is a white iron structure that is substantially free of graphite and has a combination of high hardness and resistance to wear. References References 1. Cast Irons , Properties and Selection: Irons, Steels, and High-Performance Alloys , Vol 1 , ASM Handbook...
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
... of alloys for tool steels. The chapter provides information on the research investigations into the metallurgy of high-speed tool steels at MIT, Union Carbide, and Carbon Laboratories. The major research effort involved in substituting molybdenum for tungsten in high-speed tool steels is discussed...
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
... High-speed steel high-heat hardening: Taylor/White 1903 0.70C-14W-4C prototype of modern high-speed steel 1904 Alloying with 0.3% V 1906 Electric furnace melting introduced 1910 18W-4Cr-1V (18-4-1) steel (T1) introduced 1912 3 to 5% C additions for added red hardness 1923 12% C...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.9781627083324
EISBN: 978-1-62708-332-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320159
EISBN: 978-1-62708-347-8
... and material. Figure 7.2 depicts time required for different case depths and two gear materials. Ion-nitrided surfaces, especially with high-alloy steels, show comparatively good ductility. This characteristic is due to the ability to closely control the amount and type of white layer. High ductility...
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
... resistance necessitates the discussion of cast high chromium white irons. This abrasion-resistant material contains iron and alloy carbides held together by a matrix of martensite and austenite. Table 19-6 taken from the ASTM A532 specification lists chemistry and hardnesses for eight classifications...