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medium-carbon steel castings

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Published: 01 August 2018
Fig. 9.69 Medium carbon steel containing Cr = 0.3%, as cast. Ferrite and pearlite. Widmanstätten ferrite. Etchant: nital. More
Image
Published: 01 August 2018
Fig. 10.27 Cast medium carbon steel annealed in the intercritical region (temperature was too low for complete austenitization). Pearlite areas transformed to austenite, but pro-eutectoid allotriomorphic and acicular ferrite regions did not. The region where austenite did form has transformed More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320217
EISBN: 978-1-62708-332-4
... microconstituents steel castings STEEL IS BROADLY CLASSIFIED as plain-carbon steels, low-alloy steels, and high-alloy steels. Plain-carbon steels are further classified as low-carbon steels, medium-carbon steels, and high-carbon steels. Figure 12.1 provides an overview of these steel classifications...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900007
EISBN: 978-1-62708-358-4
... Identifying symbol Water-hardening tool steels W Shock-resisting tool steels S Oil-hardening cold-work tool steels O Air-hardening, medium-alloy cold-work tool steels A High-carbon, high-chromium cold-work tool steels D Mold steels P Hot-work tool steels, chromium, tungsten...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370095
EISBN: 978-1-62708-447-5
... the pressure, and the feeder is separated from the casting without damaging the casting. 5.4.3 Removal of Runners and Feeders from Steel Castings Manufacturers of medium-sized carbon and steel castings use a neck-down feeder. These feeders are approximately 120 to 150 mm (4.72 to 5.9 in.) in diameter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... molding and no-bake), and permanent molding (typically to produce carbon steel railroad wheels in graphite molds). Small amounts of cast steel are also produced by investment casting (3%), centrifugal casting (3%), and lost-foam casting (0.4%). Product Forms Various steel product forms, called...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320031
EISBN: 978-1-62708-332-4
... Abstract This chapter discusses the crystal structures of steel and cast iron, the iron-iron carbide equilibrium diagram, microconstituents or phases in the iron-iron carbide phase diagram, the iron-carbon carbide-silicon equilibrium diagram of cast irons, and the influence on microstructure...
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Published: 01 November 2013
Fig. 18 Productivity improvements made possible with coated carbides. (a) Machining of medium-carbon steel. Workpiece, 1045 steel; hardness, 180 HB; feed rate, 0.25 mm/rev; depth of cut, 2.5 mm. (b) Machining of gray cast iron. Workpiece, G4000 cast iron; hardness, 210 HB; feed rate, 0.25 mm More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320011
EISBN: 978-1-62708-332-4
... is used for cast iron and smaller steel castings. The other mixes (of higher refractoriness) are used for medium- and large-sized steel castings. Sand mix additives for cast iron include sea coal (finely ground coal), wood flour, and dextrin, depending on the surface finish and the green strength needed...
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Published: 01 January 2015
Fig. 19.9 Thin aluminum nitride particles (arrows) extracted from an intergranular fracture surface of an as-cast medium-carbon steel. Dark particles are carbides. Transmission electron micrograph from a carbon extraction replica, original magnification 82,500×; shown here at 75% of original More
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310203
EISBN: 978-1-62708-326-3
... according to their carbon content into three broad groups: Low-carbon steels: 0.20% C or less Medium-carbon steels: 0.20 to 0.50% C High-carbon steels: 0.50% C or more Other elements are present in small quantities, including those added for deoxidation. Silicon and manganese in cast...
Image
Published: 01 December 1995
Fig. 19-3 Characteristics of low alloy steel castings used for wear resistance. (a) Typical microstructure-quenched and tempered medium carbon steel. (b) An induction hardened layer on a gear tooth profile. (c) Hardness profile through the induction hardened layer of (b) above More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410439
EISBN: 978-1-62708-265-5
.... Figure 19.9 shows aluminum nitride and carbide particles extracted from the intergranular fracture surface of a medium-carbon steel casting. The aluminum nitride particles are characteristically very thin, with a plate- or sheet-like morphology, and the hexagonal crystal structure of AlN is readily...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380235
EISBN: 978-1-62708-456-7
... cient carbon and other alloying elements to harden fully during cooling in air or other gaseous mediums from a temperature above its transformation range. The terms should be restricted to steels that are capable of being hardened by cooling in air in fairly large sections, about 2 in. (50 mm) or more...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.9781627084567
EISBN: 978-1-62708-456-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930179
EISBN: 978-1-62708-359-1
... requirements. The article discusses the processes involved in welding process selection and the methods of preparing base metal for repair welding. It presents the guidelines for weld repairs of various ferrous (carbon steels, cast irons, and stainless steels) and nonferrous (for example, titanium) base metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220519
EISBN: 978-1-62708-259-4
... and/or measurement techniques. It provides information on many types of engineering steel, including medium and high-carbon steels used in rail applications. It also examines the effect of nickel-phosphorus coatings on stainless steel and phosphate coatings used to reduce friction during thread rolling and other...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320323
EISBN: 978-1-62708-332-4
... is the most common for gray iron, malleable iron, and ductile iron for both molds and cores. Small and medium steel castings are produced in silica sand. Medium to larger steel castings are produced in olivine sand. Thick-walled and very heavy steel castings use chromite and zircon sands at areas prone...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.9781627083324
EISBN: 978-1-62708-332-4