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special cast iron

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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
... composition, microstructure, heat treatments, and the classification and casting characteristics of white, gray, ductile, malleable, compacted graphite, and special cast irons. chemical composition compacted graphite cast iron ductile cast iron gray cast iron heat treatment malleable cast iron...
Image
Published: 01 October 2011
Fig. 10.27 Classification of special high-alloy cast irons More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320003
EISBN: 978-1-62708-332-4
... pig molds of special cast iron grade mounted on an endless conveyor. A ladle pours metal from the blast furnace into the pig molds through a launder. The molds pass through a bank of water-cooling spray nozzles, solidifying the liquid metal. A vibrator at the end of the conveyor helps to loosen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320011
EISBN: 978-1-62708-332-4
... Abstract Most iron and steel castings are produced by casting into sand molds. Sand cores are needed primarily to form hollow cavities in castings for collapsibility and ease of cleaning. This chapter begins with an overview of the classification of molding and core-making systems...
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
... irons can be transformed to martensite by refrigerating the castings at –55 to –75 °C (–70 to –100 °F) or by using special tempering treatments. One of the Ni-Hard family of commercial alloy white irons (type 4 Ni-Hard) contains 1.0 to 2.2% Si, 5 to 7% Ni, and 7 to 11% Cr. In the as-cast condition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200001
EISBN: 978-1-62708-354-6
... to plastic if production requirements increase. Metal Patterns Metal patterns are the most costly, but they are required for high volume production. The material can be aluminum, iron, brass, bronze, etc. Cast aluminum is the most commonly used material for medium volume requirements. Metal patterns...
Image
Published: 30 November 2013
pitting on another gray cast iron diesel-engine cylinder sleeve unwrapped by a special photographic process. Again, note the clustered locations, with the most severe pitting on the thrust side of the sleeve, against which the piston slides on the power stroke of the combustion cycle. The lighter pitting More
Image
Published: 01 November 2012
pitting on another gray cast iron diesel engine cylinder sleeve unwrapped by a special photographic process. Again, note the clustered locations, with the most severe pitting on the thrust side of the sleeve, against which the piston slides on the power stroke of the combustion cycle. The lighter pitting More
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
... … 0.38Mo, 0.65Ni Selected References Selected References • Metallurgy and Properties of Malleable Irons , ASM Specialty Handbook: Cast Irons , Davis J.R. , Ed., ASM International , 1996 , p 94 – 106 • Heat Treating of Malleable Irons , ASM Specialty Handbook: Cast Irons...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... a special heat treatment that produces a bainitic microstructure, which is harder than an annealed microstructure. The equilibrium matrix microstructures that are possible in cast irons are ferrite, pearlite, and cementite. However, cast irons can be heat treated like steels. The hardened microstructure...
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 December 1995
DOI: 10.31399/asm.tb.sch6.t68200048
EISBN: 978-1-62708-354-6
... tooth bevel gears produced by the shell molding process to obtain excellent surfaces and close tolerances Few or Many Parts Steel castings can be produced as single castings or in many thousands. Certain steel foundries specialize in producing castings where a run of 50 of the same design may...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310331
EISBN: 978-1-62708-326-3
.... The morphology of graphite developed during solidification of cast irons cannot be altered by solid-state heating, but the transformation of metastable cementite (Fe 3 C) can be altered by heat treatment, much like steel. Like steel, heat treatment of cast iron includes: Stress relieving: using special...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440207
EISBN: 978-1-62708-262-4
... by the manufacturer, heat treating procedures described herein will be confined to the higher tonnage irons—gray and ductile. References 1 and 2 provide more complete information on all grades of cast irons including the compacted graphite and the special-purpose high-alloy grades. Essentially, cast iron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870009
EISBN: 978-1-62708-344-7
... to construct double-amplitude stress-strain curves that account for complex straining histories. For special cases, those involving complex materials such as gray cast iron or highly complex straining patterns, the chapter presents other methods of analysis, including the rainflow cycle counting method...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170614
EISBN: 978-1-62708-297-6
... more than ~3.5% Si. The commercial grades of grain-oriented or nonoriented silicon steel in common use are made mostly in electric or basic oxygen furnaces. Continuous casting and/or vacuum degassing (V-D) may be employed. Flat-rolled silicon-iron sheet and strip has low sulfur content, typically...
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
... condition by composition control in the casting process, as was described earlier for gray irons. The fully pearlitic structure is often produced by a normalization heat treatment (normalization means air cooling). The final row in Table 16.4 (grade 135-100-8) refers to a special form of ductile iron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... of abrasive is usually directed at the casting by means of a hand-held hose and nozzle. Although cast steel shot, heat treated to a tough, hard structure is the most popular abrasive used in steel foundries, other abrasive materials that are used include steel grit, iron shot or grit, cut wire, or other...
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
... relieving Composition Elevated-temperature properties Introduction and Overview Gray irons are a group of cast irons that form flake graphite during solidification, in contrast to the spheroidal graphite morphology of ductile irons. The flake graphite in gray irons is dispersed in a matrix...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170062
EISBN: 978-1-62708-297-6
... Abstract This article discusses the metallurgy and properties of ductile cast iron. It begins with an overview of ductile or spheroidal-graphite iron, describing the specifications, applications, and compositions. It then discusses the importance of composition control and explains how various...