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line welds

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Published: 01 July 2009
Fig. 23.7 Typical weld line for the gas tungsten arc (tungsten inert gas, or TIG) process More
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Published: 01 December 2006
Fig. 20 Magnetic particle enhancement of cracks in the weld of an equalizer line elbow section. Cracks were localized in the weld and HAZs. More
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Published: 31 December 2020
Fig. 7 Seam annealer for tube-welding line. Courtesy of EFD Induction. Source: Ref 12 More
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Published: 01 August 2018
Fig. 10.75 (a) Manufacturing schematic of a forge welded hoe blade and its selective quenching. (b) Macrograph. Line A indicates the forge weld line of the two steels. Line B indicates the hardened region, as shown in panel (a). As in many cases this used to be an artisanal process More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030112
EISBN: 978-1-62708-282-2
... good resistance to uninhibited HNO 3 (both red and white) up to 50°C(120°F). Above this temperature, most aluminum alloys exhibit knife-line attack (a very thin region of corrosion) adjacent to the welds. Above 50 °C(120 °F), the depth of knife-line attack increases markedly with temperature. One...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... tearing, delaminations, and fusion line cracks. Fig. 6 Identification of cracks according to location in weld and base metal. 1, crater crack in weld metal; 2, transverse crack in weld metal; 3, transverse crack in HAZ; 4, longitudinal crack in weld metal; 5, toe crack in base metal; 6, underbead...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930189
EISBN: 978-1-62708-359-1
... to the base metal ( Fig. 2 ). Fig. 2 Concentration profile of chromium and nickel across the weld fusion boundary region of type 304 stainless steel. Source: Ref 5 Heat-Affected Zone Every position in the heat-affected zone relative to the fusion line experiences a unique thermal experience...
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Published: 01 July 1997
Fig. 6 Identification of cracks according to location in weld and base metal. 1, crater crack in weld metal; 2, transverse crack in weld metal; 3, transverse crack in HAZ; 4, longitudinal crack in weld metal; 5, toe crack in base metal; 6, underbead crack in base metal; 7, fusion-line crack; 8 More
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Published: 01 April 2013
Fig. 6 Identification of cracks according to location in weld and base metal. 1, crater crack in weld metal; 2, transverse crack in weld metal; 3, transverse crack in HAZ; 4, longitudinal crack in weld metal; 5, toe crack in base metal; 6, underbead crack in base metal; 7, fusion line crack; 8 More
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Published: 01 August 2018
Fig. 14.27 Temperature distribution around a moving heat source (such as the welding electrode in a weld joint). The thick lines parallel to the weld axis present the thermal cycles (temperature (T) versus time (t)) for points at well-defined distances to the weld axis. Section y-y’ records More
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Published: 01 December 2018
Fig. 6.163 Close-up view of ID surfaces showing puncture located at fusion zone of the butt weld. Uneven weld penetration forming nonuniform ridges at the weld line are shown. The weld metal had excess penetration (as shown by arrow). More
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Published: 01 July 1997
Fig. 16 Effect of test temperature on J c for types 304/308 and 316/16-8-2 welds. J c values for the same weld are connected by a line. GTA, gas-tungsten arc; SMA, shielded-metal arc; SA, submerged arc. A dash or asterisk represents either another welding process or a weld where More
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Published: 01 July 1997
Fig. 2 Conceptual drawing of fatigue crack initiation and growth at the toe of (left) a “Nominal” groove welded butt joint having a substantial (⋍0.1 in. depth) weld discontinuity (slag entrapment) at the root of the critical notch (weld toe) and (right) an “Ideal” weldment with good wetting More
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Published: 01 August 2018
Fig. 14.41 (a) Higher magnification of fusion line and heat-affected zone of SAW-NG weld of 20MnMoNi55 ( Fig. 14.39 ). From the top left to the right, three welding beads can be observed. It is possible to observe the columnar region in each of the beads as well as the refined microstructure More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
..., underbead cracks, toe cracks, root cracks, lamellar tearing, delaminations, and fusion-line cracks. Fig. 6 Identification of cracks according to location in weld and base metal. 1, crater crack in weld metal; 2, transverse crack in weld metal; 3, transverse crack in HAZ; 4, longitudinal crack in weld...
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Published: 01 August 2018
examination of the cladding. (b) Higher magnification of the slag inclusion in the fusion line between 20MnMoNi55 steel and the stainless weld deposit. The segregation in the base metal as well as the as-cast structure of the weld-deposited metal can be observed. Courtesy of NUCLEP, RJ, Brazil. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
...) for stress relief was beneficial in reducing HAZ attack ( Ref 2 ), despite the previous comments. HAZ/Fusion Line Corrosion of Welded Line Pipe There is a particular case of preferential weldment corrosion worth highlighting in respect to electric-resistance-welded/high-frequency-induction-welded (ERW...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... Abstract Welded joints in any component or structure require a thorough inspection. The role of nondestructive evaluation (NDE) in the inspection of welds is very important, and the technology has become highly developed as a result. This article describes the applications, methods, evaluation...
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Published: 01 August 2018
Fig. 14.38 Macrograph transverse to a SAW welded joint of 20MnMoNi55 steel. In the base metal, dendritic segregation (see Chapter 8, “Solidification, Segregation, and Nonmetallic Inclusions,” in this book) is still visible. The segregation is aligned nearly perpendicular to the fusion line More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820169
EISBN: 978-1-62708-339-3
... selection when joining a stainless steel to a carbon or low-alloy steel. Figure 2 illustrates the procedure with an example of a single-pass weld joining mild steel to type 304 stainless steel with ER309 stainless steel filler metal. First a connecting line is drawn between the two points representing...