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austenitic gray iron

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Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005970
EISBN: 978-1-62708-168-9
..., including austenitic gray irons and austenitic ductile irons. It also provides a discussion on the heat treatment of high-silicon irons for heat resisting and corrosion resisting applications. austenitic ductile iron austenitic gray iron corrosion resistance heat treatment high-alloy graphitic...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005328
EISBN: 978-1-62708-187-0
... Abstract This article discusses the melting and poring practices, heat treatment, and applications of different types of high-alloy graphitic iron, namely, high-silicon gray irons, high-silicon ductile irons, nickel-alloyed austenitic irons, austenitic gray irons, austenitic ductile irons, and...
Book Chapter

By Charles V. White
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001002
EISBN: 978-1-62708-161-0
... retained in solid solution in austenite at the eutectic temperature. In gray cast iron, the carbon that exceeds the solubility in austenite precipitates as flake graphite. Gray irons usually contain 2.5 to 4% C, 1 to 3% Si, and additions of manganese, depending on the desired microstructure (as low as 0.1...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003107
EISBN: 978-1-62708-199-3
... microstructure (as low as 0.1% Mn in ferritic gray irons and as high as 1.2% Mn in pearlitics). Sulfur and phosphorus are also present in small amounts as residual impurities. More highly alloyed (>4% alloy content) austenitic nickel-alloyed gray irons can also be produced, as well as high-silicon-content...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... eutectic temperature. In gray cast iron, the carbon that exceeds the solubility in austenite precipitates as flake graphite. Gray irons usually contain 2.5 to 4% C, 1 to 3% Si, and additions of manganese, depending on the desired microstructure (as low as 0.1% Mn in ferritic gray irons and as high as 1.2...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006316
EISBN: 978-1-62708-179-5
... Abstract Thin-wall gray cast iron (TWGCI) can be seen as a potential material for the preparation of lightweight castings in automotive engineering applications. This article discusses the most important challenges for TWGCI: cooling rate, solidification, macrostructure, microstructure, and...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006343
EISBN: 978-1-62708-179-5
... Abstract This article discusses the characterization of gray iron structures, following the sequence of structure formation, as it applies to unalloyed or low-alloyed gray iron. Austenite grains are the basic crystallographic entities of the metallic matrix in gray cast iron precipitated from...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005942
EISBN: 978-1-62708-168-9
... the graphite achieved during casting. This article provides a detailed account of classes of gray iron, and heat treating methods of gray irons with examples. These methods include stress relieving, annealing, normalizing, transformation hardening, austenitizing, quenching, austempering, martempering...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006321
EISBN: 978-1-62708-179-5
... discusses the parameters of the tensile strength and hardness of a normalized gray iron casting. These include combined carbon content, pearlite spacing, and graphite morphology. The article concludes with a discussion on the induction hardening of gray iron castings. austempering austenitizing...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006344
EISBN: 978-1-62708-179-5
... Abstract A wide range of mechanical properties can be obtained with a given composition of cast iron, depending on the microstructural constituents that form during solidification and subsequent solid-state processing. This article discusses the mechanical properties of gray iron and provides...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006308
EISBN: 978-1-62708-179-5
... casting heat-resistant gray iron iron liquid metal preparation material selection silicon solidification solid-state transformation tensile strength yield strength GRAY IRONS are cast irons that solidify with a stable austenite-graphite eutectic, in which the carbon that exceeds the...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006304
EISBN: 978-1-62708-179-5
... vermicular (CG), and spheroidal. It discusses the metastable solidification of austenite-iron carbide eutectic and concludes with information on gray-to-white structural transition of cast iron. austenite dendrites austenite-iron carbide eutectic system cast iron crystal lattice crystallization...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005903
EISBN: 978-1-62708-167-2
... gray cast iron, nodular cast iron, compacted graphite iron, malleable cast iron, and alloyed cast iron. The article provides an overview of the melt treatment processes carried out in cast steel, wrought and cast aluminum, and copper materials...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006315
EISBN: 978-1-62708-179-5
... Abstract This article describes the modification and inoculation of cast iron, and schematically illustrates the major effects of inoculation in gray cast irons. Inoculation could be considered as a common liquid-state treatment for all commercial cast irons (gray/compacted/ductile irons...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003765
EISBN: 978-1-62708-177-1
.... The article provides information on nearly 100 micrographs, discussing the microstructure of flake graphite in gray iron, nodular graphite in ductile iron, and temper graphite in malleable iron. It also examines the matrix microstructures of gray, ductile, compacted, and malleable cast iron samples...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006342
EISBN: 978-1-62708-179-5
... is shining brightly; plate martensite is slightly gray-blue. Original magnification: 1000× As noted in the article “Microstructures and Characterization of Gray Irons” in this Volume, a new development in the characterization of austenite dendrite morphology is based on a color etching...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005213
EISBN: 978-1-62708-187-0
..., austenite; Gr, graphite Figure 17 shows a scanning electron microscopy (SEM) micrograph of graphite eutectic cell and prior austenitic dendrite structures in gray cast iron. Fig. 17 SEM micrograph showing graphite, eutectic cell, and prior dendrite structure in gray cast iron. Original...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006341
EISBN: 978-1-62708-179-5
... 0.40–0.60 0.50 max Grade 3 0.70–1.10 1.50 max 14.20–14.75 3.25–5.00 0.20 max 0.50 max The nickel-alloyed austenitic irons (Ni-Resists) are produced in both gray and ductile cast iron versions for elevated-temperature service. Austenitic gray irons date back to the 1930s, when they...
Book Chapter

Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006348
EISBN: 978-1-62708-179-5
... Table 1 Guidelines for industrial applications of selected cast irons for wear parts Cast iron type Applications(a) Gray (flake) iron Piston rings and cylinder bores for compressors and internal combustion engines; machine tool beds and slideways; brake blocks; low-stress gears...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005945
EISBN: 978-1-62708-168-9
... irons. These include gray iron, ductile iron, compacted graphite iron, white iron, malleable iron, and high-alloy iron. The article describes how to control temperature and atmosphere during the heat treatment of the iron castings. annealing atmosphere control cast iron compacted graphite iron...