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pipe threading

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Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002143
EISBN: 978-1-62708-188-7
... and cutting fluids used for pipe threading along with the severity of stop lines. accuracy cutting fluids die threading hardness pipe threading self-opening dies single-chaser threading solid dies thread quality threading Monel shaft DIE THREADING is a machining process for cutting...
Book Chapter

By Mark Johnson
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002139
EISBN: 978-1-62708-188-7
... provides an overview of tap materials and surface treatment and concludes with a discussion on tapping of taper pipe threads. accuracy collapsible taps cutting fluids expansion taps hardness inserted-chaser taps machining metal composition solid taps surface treatment taper pipe threads...
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.9781627081887
EISBN: 978-1-62708-188-7
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002187
EISBN: 978-1-62708-188-7
... or larger, adjustable or collapsible taps are often used to advantage. Collapsible taps make it easy to vary the size and fit of the thread and eliminate the need for reversing the tap. In selecting taps for taper pipe threads, the general recommendations for bottoming taps should be followed. Some rake...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003096
EISBN: 978-1-62708-199-3
.... Drive pipe is used to transmit power from ground level to a rotary drill tool below the surface and to convey flushing media to the cutting face of the tool. The lengths of pipe have specially threaded ends that permit the lengths to butt inside the coupling. Drive pipe is produced in nominal sizes...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002141
EISBN: 978-1-62708-188-7
..., and other taper pipe threads; 60° unified and metric; 55° Whitworth; 29 and 40° worm; 47°30′ British Association; 53°8′ Lowenhertz; and Buttress. Centerless-ground threaded parts include continuously threaded parts such as setscrews, studs, threaded bushings, threaded size-adjusting bushings for boring...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001020
EISBN: 978-1-62708-161-0
..., in order to allow the use of standard thread sizes. Therefore, the increase in wall thickness necessary to produce extra strong and double extra strong weights results in a decrease in inside diameter. The size designation, however, remains the same as for standard-weight pipe of the same outside diameter...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004117
EISBN: 978-1-62708-184-9
..., insertion length. NPT, American National Standard Taper Pipe Thread. Source: Metal Samples, Munford, AL Fig. 2 Surface strip electrical resistance probe schematic. Source: Metal Samples, Munford, AL Electrochemical Techniques—Principles of Operation In the context of the discussion...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
...Abstract Abstract Thread rolling is a cold-forming process for producing threads or other helical or annular forms by rolling the impression of hardened steel dies into the surface of a cylindrical or conical blank. Methods that use cylindrical dies are classified as radial infeed, tangential...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
...Abstract Abstract This article discusses the three characteristics that are important in evaluating and selecting metals for thread rolling, namely, rollability, flaking, and seaming. It reviews the capabilities and limitations of flat-die rolling, radial-infeed rolling, tangential rolling...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005891
EISBN: 978-1-62708-167-2
... ends typically is done prior to machining of the thread. To stress relieve using induction heating, the tube/pipe end is placed in a multi-turn induction coil and heated for the specified time using specified process parameters. Tube diameters may range from 10 to 600 mm (0.4 to 23.5 in.) with wall...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
..., along with tapered threads, such as pipe threads, which can cause excessive stress. Fig. 5 Molded-in threads Other factors that should be considered are: If the mating part is metal, overtorquing will result in part failure. Feather edges on thread runouts should be avoided...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... to polythionic acid stress-corrosion cracking (SCC). The 205-mm (8-in.) diam Schedule 140 pipe was used in a coal-gasification pilot plant to transport product gas from the gasifier at a temperature of 430 °C (800 °F). The gas line failed by through-wall cracking around 270° of its circumference near a weld...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005758
EISBN: 978-1-62708-171-9
... contamination. Oil or grease should never be used on oxygen equipment. Only special oxidation-resistant lubricants may be used with oxygen equipment. Where thread sealants are employed in oxygen piping, oxygen-compatible materials are required. Synthetic fluorine-containing resin tape, while oxygen...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
...Abstract Abstract This article discusses the effect of thread design, preload, tightening, and mean stress on the fatigue strength of bolt steel. It describes the factors influencing fatigue failures in cold-driven and hot-driven riveted joints. The factors affecting the fatigue resistance...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005759
EISBN: 978-1-62708-171-9
... that are intended to increase the safety awareness and the use of safety practices for gas and liquid piping and electrical equipment within thermal spray installations. construction materials dust dust collector ergonomics piping system piping system integrity monitoring preventive maintenance safety...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003132
EISBN: 978-1-62708-199-3
... by soldering, usually in conjunction with standard socket-type solder fittings, but threaded joints also can be considered semipermanent joints for pipe. Detachable joints are almost always some form of mechanical joint—flared joints, flange-and-gasket joints, and joints made using any of a wide variety...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
.... Nital etch. Transverse and (b) longitudinal sections. (c) Copper water pipe. Ferric chloride etch. Transverse and (d) longitudinal sections Cleaning Fracture Surfaces The practices that should be used when cleaning fracture surfaces are: Use the mildest agent possible and take care...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003048
EISBN: 978-1-62708-200-6
... sealing ( Fig. 1 ). All sealants, whether for construction joints, glazing, threaded assemblies, electrical encapsulation, or flange sealing, must perform three basic functions: Fill the space to create a seal Form an impervious barrier to fluid flow Maintain the seal in the operating...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... element applications in piping and pressure vessel analysis, impact analysis, and microelectronics. The article describes the steps involved in the design process using the FEA. It concludes with two case histories that involve the use of FEA in failure analysis. failure analysis finite element...