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Rafael Agnelli Mesquita, Reinhold Schneider, Cristiane Sales Gonçalves
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S.D. Brandi, S. Liu, J.E. Indacochea, R. Xu
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Rafael A. Mesquita, Reinhold E. Schneider
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low-alloy special-purpose tool steels
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in Heat Treating of Cold-Work Tool Steels—Low- and Un-Alloyed Water and Oil Hardening Steels
> Heat Treating of Irons and Steels
Published: 01 October 2014
Book Chapter
Heat Treating of Cold-Work Tool Steels—Low- and Un-Alloyed Water and Oil Hardening Steels
Available to PurchaseSeries: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005972
EISBN: 978-1-62708-168-9
... discussed include water-hardening tool steels, shock-resisting tool steels, oil hardening cold-work tool steels, low-alloy special-purpose tool steels, and carbon-tungsten special-purpose tool steels. carbon-tungsten special-purpose tool steel cold work tool steel heat treatment oil hardening cold...
Abstract
This article provides a detailed discussion on various recommended heat treating practices, including normalizing, annealing, austenitizing, quenching, tempering, stress relieving, preheating, and martempering, for various low- and un-alloyed cold-work hardening tool steels. The steels discussed include water-hardening tool steels, shock-resisting tool steels, oil hardening cold-work tool steels, low-alloy special-purpose tool steels, and carbon-tungsten special-purpose tool steels.
Book Chapter
Heat Treating of Tool Steels
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003202
EISBN: 978-1-62708-199-3
... steels, high-speed tool steels, low-alloy special-purpose tool steels, and mold steels. The article presents tables that list the temperature ranges, holding time, and hardness values for all of these heat treating processes. heat treating high-carbon high-chromium cold work tool steels high...
Abstract
All tool steels are heat treated to develop specific combinations of wear resistance, resistance to deformation or breaking under loads, and resistance to softening at elevated temperature. This article describes recommended heat treating practices, such as normalizing, annealing, austenitizing, quenching, preheating, and tempering commonly employed in certain steels. These are water-hardening tool steels, shock-resisting tool steels, oil-hardening cold-work tool steels, medium-alloy air-hardening cold-work tool steels, high-carbon high-chromium cold-work tool steels, hot-work tool steels, high-speed tool steels, low-alloy special-purpose tool steels, and mold steels. The article presents tables that list the temperature ranges, holding time, and hardness values for all of these heat treating processes.
Book Chapter
Machining of Tool Steels
Available to PurchaseBook: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002181
EISBN: 978-1-62708-188-7
..., milling, and sawing. The article explains the machining of the following tool steels: water hardening; types A, D and O cold-work; hot work; high speed, low-alloy special-purpose; and low-carbon mold. It details the machining of tool steel gears. The article also discusses the grinding of tool steels...
Abstract
This article describes the selection of tool steels on the basis of specific product applications. It contains tables that list nominal speeds and feeds for the machining of various tool steels. The machining processes include turning, boring, broaching, drilling, reaming, tapping, milling, and sawing. The article explains the machining of the following tool steels: water hardening; types A, D and O cold-work; hot work; high speed, low-alloy special-purpose; and low-carbon mold. It details the machining of tool steel gears. The article also discusses the grinding of tool steels based on steel classification and the effects of steel composition and hardness on grindability. It reviews the types of grinding, namely, surface grinding, cylindrical grinding, centerless grinding, internal grinding, thread grinding, flute grinding, and low-stress grinding. Grinding of types-A, D, F, L, O, P, S and W steels, hot-work steels, and high speed steels, is also detailed.
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001041
EISBN: 978-1-62708-161-0
... discusses surface treatments, fabrication issues, and in-service measures of performance. cold-work tool steels high-speed tool steels hot-work tool steels low-alloy special-purpose tool steels mold steels shock-resisting steels tool steels water-hardening steels wrought tool steels...
Abstract
Tool steels are any steel used to make tools for cutting, forming, or shaping manufactured parts. Most tool steels are wrought products alloyed with relatively large amounts of tungsten, molybdenum, vanadium, manganese, and/or chromium. The article describes a wide variety of tool steels, including high-speed steels, hot and cold-work steels, shock-resisting steels, and special-purpose steels. Hot-work steels are designed to withstand excessive amounts of heat, pressure, and abrasion, suiting them for punching, shearing, and high-temperature forming applications. Cold-work tool steels have exceptional dimensional stability and wear resistance, but lack the alloy content necessary to resist softening at temperatures above 205 to 260 deg C. The article examines standard designations for all tool steel types and provides corresponding composition and property ranges. It also discusses surface treatments, fabrication issues, and in-service measures of performance.
Book Chapter
Tool Steels
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003114
EISBN: 978-1-62708-199-3
... Abstract This article discusses the characteristics, composition limits, and classification of wrought tool steels, namely high-speed steels, hot-work steels, cold-work steels, shock-resisting steels, low-alloy special-purpose steels, mold steels, water-hardening steels, powder metallurgy tool...
Abstract
This article discusses the characteristics, composition limits, and classification of wrought tool steels, namely high-speed steels, hot-work steels, cold-work steels, shock-resisting steels, low-alloy special-purpose steels, mold steels, water-hardening steels, powder metallurgy tool steels, and precision-cast tool steels. It describes the effects of surface treatments on the basic properties of tool steels, including hardness, resistance to wear, deformation, and toughness. The article provides information on fabrication characteristics of tool steels, including machinability, grindability, weldability, and hardenability, and presents a short note on machining allowances.
Book Chapter
Closed-Die Forging in Hammers and Presses
Available to PurchaseSeries: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003979
EISBN: 978-1-62708-185-6
... 2000–2200 980 1800 Low-alloy special-purpose tool steels L1, L2, L6 815 1500 1040–1150 1900–2100 845 1550 L3 815 1500 980–1095 1800–2000 845 1550 Carbon-tungsten special-purpose tool steels F2, F3 815 1500 980–1095 1800–2000 900 1650 Low-carbon mold steels...
Abstract
This article provides an overview of the capabilities of closed-die forging. One of the most important aspects of closed-die forging is proper design of preforming operations and of blocker dies to achieve adequate metal distribution. The article describes the effects of friction and lubrication in forging. It discusses the types of closed-die forgings, namely, blocker-type, conventional, and close-tolerance. The article illustrates the classification of forging shapes and explains how to predict the forging pressure and the control of die temperature during closed-die forging. It explains the use of heating equipment for closed-die forging and tabulates the maximum safe forging temperatures for carbon and alloy steels. The article concludes with a discussion on a trimming method used for closed-die forgings.
Book: Surface Engineering
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001306
EISBN: 978-1-62708-170-2
... … S7 … T41907 0.45–0.55 0.20–0.80 0.20–1.00 3.00–3.50 … 1.30–1.80 … 0.20–0.30 (d) … Low-alloy special-purpose tools steels L2 … T61202 0.45–1.00 (b) 0.10–0.90 0.50 max 0.70–1.20 … 0.25 max … 0.10–0.30 … L6 L6 T61206 0.65–0.75 0.25–0.80 0.50 max 0.60–1.20 1.25...
Abstract
Specialty steels encompass a broad range of ferrous alloys noted for their special processing characteristics (powder metallurgy alloys), corrosion resistance (stainless steels), wear resistance and toughness (tool steels), high strength (maraging steels), or magnetic properties (electrical steels). This article provides a detailed discussion on the various surface treatments, including cleaning, nitriding, carburizing, coating, and plating, performed on specialty steels.
Book Chapter
Cobalt and Cobalt Alloys
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003148
EISBN: 978-1-62708-199-3
..., cemented carbides, magnetic materials, low-expansion alloys, and high-speed tool steels. cobalt cobalt alloys corrosion-resistant alloys high-temperature alloys mechanical properties mining special-purpose alloys superalloys uses of cobalt wear-resistant alloys COBALT is a tough silvery...
Abstract
Cobalt finds its use in various applications owing to its magnetic properties, corrosion resistance, wear resistance, and its strength at elevated temperatures. This article discusses the mining and processing of cobalt and cobalt alloys. It describes the types of cobalt alloys, including wear-resistant alloys, high-temperature alloys, corrosion-resistant alloys, and special-purpose alloys. The article provides data on the chemical composition, mechanical properties, and physical properties of these alloys. Further, it provides information on the uses of cobalt in superalloys, cemented carbides, magnetic materials, low-expansion alloys, and high-speed tool steels.
Book Chapter
Cemented Carbides and Cermets
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
... and nonferrous alloys at much higher speeds than were possible with high-speed steel tools, but were subject to chemical attack or diffusion wear when cutting steel. As a result, the tools failed rapidly at speeds not much higher than those used with high-speed steel. This led to the development of WC-TiC-Co...
Abstract
Cemented carbides belong to a class of hard, wear-resistant, refractory materials in which the hard carbide particles are bound together, or cemented, by a ductile metal binder. Cermet refers to a composite of a ceramic material with a metallic binder. This article discusses the manufacture, composition, classifications, and physical and mechanical properties of cemented carbides. It describes the application of hard coatings to cemented carbides by physical or chemical vapor deposition (PVD or CVD). Tungsten carbide-cobalt alloys, submicron tungsten carbide-cobalt alloys, and alloys containing tungsten carbide, titanium carbide, and cobalt are used for machining applications. The article also provides an overview of cermets used in machining applications.
Book Chapter
Drilling
Available to PurchaseBook: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002135
EISBN: 978-1-62708-188-7
... Steels” and “P/M High-Speed Tool Steels” in this Volume and the article “Powder Metallurgy Tool Steels” in Properties and Selection: Irons, Steels, and High-Performance Alloys , Volume 1 of the ASM Handbook. Carbide-tip drills are used for special applications, notably, for drilling abrasive...
Abstract
This article focuses on machines that are designed, constructed, and used for drilling. It provides information on the design, materials, selection, and classification of drill. The article describes drills that are specially designed for hard steel and other specific applications. A variety of drill point styles, such as single-angle points and reduced-rake points, are described. The article discusses the factors considered to obtain expected dimensional accuracy of holes. It explains the determination of the optimum speed and feed for drilling, which depends on the workpiece material, tool material, depth of hole, design of drill, rigidity of setup, tolerance, and cutting fluid. The article illustrates the effects of operating variables on drill life of hardened steel. The advantages, limitations, design considerations, insert configurations, and applications of indexable-insert drills are discussed. The article concludes with a discussion on the requirements to drill small holes that differ from those used in conventional drilling.
Book Chapter
Brazeability and Solderability of Engineering Materials
Available to PurchaseSeries: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001492
EISBN: 978-1-62708-173-3
... types of engineering materials considered in the selection of a brazing process. The engineering materials include low-carbon steels, low-alloy steels, and tool steels; cast irons; aluminum alloys; copper and copper alloys; nickel-base alloys; heat-resistant alloys; titanium and titanium alloys...
Abstract
This article describes the factors considered in the analysis of brazeability and solderability of engineering materials. These are the wetting and spreading behavior, joint mechanical properties, corrosion resistance, metallurgical considerations, and residual stress levels. It discusses the application of brazed and soldered joints in sophisticated mechanical assemblies, such as aerospace equipment, chemical reactors, electronic packaging, nuclear applications, and heat exchangers. The article also provides a detailed discussion on the joining process characteristics of different types of engineering materials considered in the selection of a brazing process. The engineering materials include low-carbon steels, low-alloy steels, and tool steels; cast irons; aluminum alloys; copper and copper alloys; nickel-base alloys; heat-resistant alloys; titanium and titanium alloys; refractory metals; cobalt-base alloys; and ceramic materials.
Book Chapter
General Introduction to Machining
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003186
EISBN: 978-1-62708-199-3
... alloys Aluminum alloys Copper alloys Gray irons Nodular irons Carbon steels Low-alloy steels Stainless steels Hardened and high-alloy steels Nickel-base superalloys Titanium alloys When possible, materials from classes higher on this list should be substituted...
Abstract
Machining is a term that covers a large collection of manufacturing processes designed to remove unwanted material, usually in the form of chips, from a workpiece. This article discusses the basic classes of machining operations, including conventional, abrasive, and nontraditional, and outlines the type of costs incurred by the process. It describes the types of machining equipment, including general-purpose machine tools, production machining systems, and computer numerically controlled machining systems. The article lists the common classes of metallic work materials, in order of decreasing machinability. It also shows the range of dimensional and surface finish tolerances in graphical form that can be achieved using various machining processes under general machining conditions.
Book Chapter
Steel Tubular Products
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003096
EISBN: 978-1-62708-199-3
... grades. The specifications listed cover carbon high-strength low-alloy (HSLA), and alloy steels other than stainless, all methods of manufacture, and a wide range of service temperature. Steels are produced with yield strengths ranging from 170 MPa to 930 MPa (25 to 135 ksi). ASTM, API, and CSA...
Abstract
This article discusses the classifications, specifications, applications and methods for producing welded and seamless steel tubular products, including pipes and tubes. Common types of pipes include standard pipe, conduit pipe, piling pipe, pipe for nipples, transmission or line pipe, water main pipe, oil country tubular goods, water well pipe, and pressure pipe. Pipes in suitable sizes, and most of the products classified as tubing, both seamless and welded, may be cold finished. Pressure tubes are given a separate classification by both the American Society for Testing and Materials (ASTM) and producers. The term tube covers three groups, including pressure tubes, structural tubing, and mechanical tubing.
Book Chapter
Introduction to Heat Treating of Tool Steels
Available to PurchaseSeries: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005946
EISBN: 978-1-62708-168-9
... from cracking during heat treating. Many alloy tool steels also are widely used for machinery components and structural applications where particularly severe requirements must be met, such as high-temperature springs, ultrahigh-strength fasteners, special-purpose valves, punches and dies, wear...
Abstract
Tool steels are an important class of steels due to their distinct applications and their specific heat treating issues. This article provides an overview of the classification and production of tool steels, and discusses the procedures and process control requirements for heat treating principal types of tool steels. It reviews the various heat treating processes, namely, normalizing, annealing, stress relieving, austenitizing, quenching, and tempering, and surface treatments and cold treating. The article also provides information on the applicability of these processes to various types of tool steels.
Book Chapter
Reaming
Available to PurchaseBook: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002136
EISBN: 978-1-62708-188-7
... must be rotated in machines such as drill presses or boring mills. Relatively small holes in extremely large workpieces are often reamed by portable, hand-operated machines. Reamer Materials Hand reamers are usually made of a carbon or low-alloy tool steel, such as W1 or O1, hardened to 62 HRC...
Abstract
Reaming is a machining operation in which a rotary tool takes a light cut to improve the accuracy of the round hole and reduce the roughness of the hole surface. This article describes its process capabilities and provides information on workpiece material and hardness, as well as the machines used. Reamer materials and design, speed and feed, bushings and fixtures, and cutting fluids used are also discussed. The article outlines the factors to be considered while selecting a reamer. It also discusses the applications of the principle types of reamers, namely, straight-flute chucking, spiral-flute chucking, adjustable, end-cutting, shell, floating-blade, gun, and special-purpose reamers, with examples.
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002487
EISBN: 978-1-62708-194-8
.... Machinability varies most significantly between different material classes or base chemistries. The common classes of metallic work materials, in order of decreasing machinability, include: Magnesium alloys Aluminum alloys Copper alloys Cast irons Nodular irons Carbon steels Low-alloy...
Abstract
Machining or material removal processes are secondary manufacturing operations that are used to achieve precise tolerances or to impart controlled surface finishes to a part. This article summarizes rules for designing parts to improve machined part quality and reduce machining costs in mass and batch production environments. It discusses the factors affecting the total cost of a machining operation, including raw material costs, labor costs, and equipment costs. The article describes three types of machining systems, namely, general-purpose machine tools, production machining systems, and computer numerically controlled (CNC) machining systems. It reviews general design-for-machining rules that are applicable to all parts, regardless of the type of equipment used to produce them. Special considerations for production machining systems and CNC machining systems are discussed. The article describes the structure and typical uses of computer-aided process planning and design-for-manufacturing programs.
Book Chapter
Forging of Specific Metals and Alloys
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003184
EISBN: 978-1-62708-199-3
... 1750 T5, T6 870 1600 1095–1205 2000–2200 980 1800 Low-alloy special-purpose tool steels L1, L2, L6 815 1500 1040–1150 1900–2100 845 1550 L3 815 1500 980–1095 1800–2000 845 1550 Carbon-tungsten special-purpose tool steels F2, F3 815 1500 980–1095 1800–2000...
Abstract
This article reviews specific processing characteristics and forging-related properties of commonly forged families of metals and alloys, including carbon and alloy steels, stainless steels, heat-resistant alloys (iron, cobalt, and nickel base alloys), aluminum alloys, copper and copper alloys, magnesium alloys, and titanium alloys. It provides forging process variables such as stock preparation, heating and cooling of forgings, die lubrication, trimming, and cleaning of these metals and alloys. The article explains the effect of temperature, deformation rate, and die temperature on forgeability and describes the forging methods of these metals and alloys.
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002121
EISBN: 978-1-62708-188-7
... of manufacture. Some of the cutting tools that require extensive grinding have been produced of P/M high-speed tool steels (see the article “P/M High-Speed Tool Steels” in this Volume). General-Purpose Drills General-purpose drills, other than those made from low-alloy steels for low production on wood...
Abstract
This article discusses the classifications of high-speed tool steels and describes alloying elements and their effects on the properties of high-speed tool steels. It analyzes the heat treatment of high-speed tool steels, namely, preheating, austenitizing, quenching, and tempering. Surface treatments for the high-speed tool steels are reviewed. The article emphasizes the properties and applications of high-speed tool steels and provides information on the factors in selecting high-speed tool steels.
Book Chapter
Bearing Steels
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003099
EISBN: 978-1-62708-199-3
... a detrimental effect. Fig. 4 Effect of surface microstructure on the shape of S - N curve for surface fatigue (pitting) Special-Purpose Bearing Steels When bearing service temperatures exceed about 150 °C (300 °F), common low-alloy steels cannot maintain the necessary surface hardness...
Abstract
Rolling-element bearings, whether ball bearings or roller bearings with spherical, straight, or tapered rollers, are fabricated from a wide variety of steels. This article discusses the production process, characteristics, nominal compositions, and types of bearing steels. These include standard bearing steels, such as high-carbon bearing steels and carburizing bearing steels; and special-purpose bearing steels, such as high-temperature service bearing steels and corrosion-resistant bearing steels.
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