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narrow groove welding

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Image
Published: 01 January 1993
Fig. 11 Typical narrow groove weld produced in mechanized welding applications More
Image
Published: 31 October 2011
Fig. 19 Narrow-groove gas metal arc welding deposit. Courtesy of Edison Welding Institute More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001356
EISBN: 978-1-62708-173-3
.... It schematically illustrates the key components of a GTAW manual torch. The article describes the process parameters, such as welding current, shielding gases, and filler metal. It discusses the GTAW process variations in terms of manual welding, mechanized welding, narrow groove welding, and automatic welding...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001336
EISBN: 978-1-62708-173-3
... to the groove wall, as the case would be with a 90° electrode in a 10° narrow groove. Welding in a groove places a higher priority on arc stability and location than on maximum penetration. Fig. 6 Effects of electrode tip geometry on the path length to ground in weld grooves of various shapes. (a) 75° V...
Image
Published: 01 January 1993
Fig. 6 Effects of electrode tip geometry on the path length to ground in weld grooves of various shapes. (a) 75° V-groove. (b) 40° U-groove. (c) 10° narrow groove More
Image
Published: 31 October 2011
Fig. 6 Effects of electrode tip geometry on the path length to ground in weld grooves of various shapes. (a) 75° V-groove. (b) 40° U-groove. (c) 10° narrow groove More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005558
EISBN: 978-1-62708-174-0
... ), and T-joints. The advantages of double-J-groove preparations are the same as for double-bevel grooves. U-Groove Welds U-groove welds are welds made in U-shaped grooves between two members to be welded. Because of the rounded base, larger electrodes can be used with narrower groove angles than...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005572
EISBN: 978-1-62708-174-0
... combining a plasma arc welding torch with GMAW. The plasma arc welding torch provides additional base-metal heat input to improve wetting or penetration. This technique has been applied to improve weld profile and speed for braze welding applications. Narrow-groove GMAW makes use of specialized joint...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005614
EISBN: 978-1-62708-174-0
... joints Three types of electron beam welds made in edge joints are shown in Fig. 13 . Thick sections can be joined by deep, narrow square-groove welds ( Fig. 13 ). Shallow welds made with a low-power, partially defocused beam are used to join thin sections to each other or to thick sections...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001444
EISBN: 978-1-62708-173-3
... ) is used primarily on sections 25 mm (1 in.) or more thick. For welds similar to Fig. 11(b) and 11(c) , filler metal can be added. Welds in Lap Joints Three types of electron-beam welds made in edge joints are shown in Fig. 13 . Thick sections can be joined by deep, narrow square-groove welds...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005664
EISBN: 978-1-62708-174-0
... to ground is from the cathode tip to the groove bottom and not, for example, from the electrode shoulder to the groove wall, as the case would be with a 90° electrode in a 10° narrow groove. Welding in a groove places a higher priority on arc stability and location than on maximum penetration. Fig. 6...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001438
EISBN: 978-1-62708-173-3
... alloys because of its intense arc, which produces an extremely high temperature at the joint and a narrow heat-affected zone (HAZ). In welding copper and the more thermally conductive copper alloys, the intensity of the arc is important in completing fusion with minimum heating of the surrounding, highly...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001369
EISBN: 978-1-62708-173-3
... and narrower than arc welds, with a total heat input that is much lower than that required in arc welding. This ability to achieve a high weld depth-to-width ratio eliminates the need for multiple-pass welds, as is required in arc welding. The lower heat input results in a narrow workpiece heat-affected zone...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001382
EISBN: 978-1-62708-173-3
... ( Fig. 1a ). The pipes to be welded are bevelled to provide a “V” groove when they are butted together. They are then securely clamped to prevent axial and rotational movement. A solid, internally bevelled ring of compatible material with a bevelled angle that is less than that of the pipes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001437
EISBN: 978-1-62708-173-3
... 0.06 0.12 0.08 3.18 0.125 6.4 1 4 1.6 1 16 0.10 0.07 0.13 0.09 Square-groove butt joint with backing weld 3.2 1 8 6.4 1 4 0.8 1 32 0.16 0.11 0.22 0.15 4.8 3 16 9.5 3 8 1.6 1 16...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005176
EISBN: 978-1-62708-186-3
... of this article. Electric arc cutting can be used on ferrous and nonferrous metals for rough severing, such as removing risers or scrap cutting, as well as for more closely controlled operations. Each process has particular capabilities and limitations. Special applications include shape cutting, grooving...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005582
EISBN: 978-1-62708-174-0
... of joint preparation. In some materials, for example, a square-grooved butt joint preparation can be used for thicknesses up to 12 mm (0.5 in.). The process can produce high weld integrity (similar to GTAW) while minimizing weld passes and hence welding times and labor costs. The columnar shape of the arc...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001357
EISBN: 978-1-62708-173-3
... with other processes, such as GTAW. This greater amount of penetration allows a reduced amount of joint preparation. In some materials, for example, a square-grooved butt joint preparation can be used for thicknesses up to 12 mm (0.5 in.). The process can produce high weld integrity (similar to GTAW) while...
Book Chapter

By K. Sampath
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002488
EISBN: 978-1-62708-194-8
... whenever changes are made to a previously qualified, nonstandard weld joint design. In recent years, the use of narrow-gap gas-metal arc welding and submerged arc welding techniques in the place of conventional welding techniques for welding thick-section pressure vessel steels has contributed...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006301
EISBN: 978-1-62708-179-5
... welding, oxyfuel welding, and braze welding. The article discusses various special techniques, such as groove-face grooving, studding, joint design modifications, and peening, for improving the strength of a weld or its fitness for service. The article describes other fusion welding methods...