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single-pass weldments

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930217
EISBN: 978-1-62708-359-1
... in the HAZ and the selection of the proper filler metal. The article provides a comparison between single-pass and multipass welding and describes the effect of welding procedures on weldment properties and the effects of residual stresses on the service behavior of welded structures. It also describes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200158
EISBN: 978-1-62708-354-6
... materials, and this is best accomplished if the carbon in the base material is kept low, preferably below 0.20%. Distortion of an assembly is another major consideration in selecting a welding process. Single pass procedures, such as electroslag welding, produce less distortion than multi-pass processes...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... ), and at the side of a weld near the root ( Fig. 3c ). Fig. 3 Sections showing locations of slag inclusions in weld metal. (a) Near the surface and in the root of a single-pass weld. (b) Between weld beads in a multiple-pass weld. (c) At the side of a weld near the root. Source: Ref 1 During welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030112
EISBN: 978-1-62708-282-2
... the proportion melted ranges from 0 to 100%. Lastly, the true HAZ is that portion of the base metal within which microstructural change has occurred in the absence of melting. Although the various regions of a weldment shown in Fig. 1 are for a single-pass weld, similar solidification patterns...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
... discrete regions present in a single-pass weld. Source: Ref 5.4 , p 1047–1056; Ref 5.5 5.3 Solid-State Transformations Depending on the composition of the metal or alloy and the manner in which it has been strengthened, the heat of welding will alter its strength and ductility in the HAZ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
... of a single-pass weld. (b) Between weld beads in a multiple-pass weld. (c) At the side of a weld During welding, slag may spill ahead of the arc and subsequently be covered by the weld pool because of poor joint fit-up, incorrect electrode manipulation, or forward arc blow. Slag trapped in this manner...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... martensitic structure that was susceptible to cracking. Magnetic-particle tests conducted with a magnetic field induced by a yoke that does not pass current through the part will avoid this difficulty. Analysis of Information The final stage in analysis of a weldment failure consists of comparing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820043
EISBN: 978-1-62708-339-3
... cracking, and microbiologically influenced corrosion. austenitic stainless steel crevice corrosion intergranular corrosion microbiologically influenced corrosion pitting corrosion stress-corrosion cracking welding weldments AUSTENITIC STAINLESS STEELS exhibit a single-phase, face-centered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200144
EISBN: 978-1-62708-354-6
... flexibility offered by casting manufacture readily allows section changes where stresses are highest. Generous radii can also be specified to reduce stress concentrations. The original design, whether weldment, forging, or other cast metal, should only be used as a guide relative to general shape and strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820099
EISBN: 978-1-62708-339-3
... the influence of ferrite-austenite balance on corrosion resistance and the influence of different welding conditions on various material properties of alloy 2205 (UNS S31803). corrosion resistance duplex stainless steel weld corrosion welding weldments DUPLEX STAINLESS STEELS are two-phase alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
..., to active potentials—a process known as reactivation. The amount of charge passed is related to the degree of IGC associated with Cr 23 C 6 precipitation, which occurs predominately at the grain boundaries. After the single loop EPR test, the microstructure is examined and: The grain boundary area...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... of a weldment shown in Fig. 1 are for a single-pass weld, similar solidification patterns and compositional differences can be expected to occur in underlying weld beads during multipass applications. Fig. 1 Weld cross section. Source: Ref 3 Fig. 2 Concentration profile of chromium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930039
EISBN: 978-1-62708-359-1
... with several small passes to improve mechanical properties) Weld Microstructure In many cases, it is important to examine and characterize the weldment microstructure and to understand its formation and effects on properties. This is the case when the materials and processes involved are not well...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930311
EISBN: 978-1-62708-359-1
... are the most efficient. Plasma arc welding, for producing welds up to about 15 mm (0.6 in.) thick, and EBW, which can readily generate single-pass welds in plates over 50 mm (2 in.) thick, are used in current aerospace practice. In addition to thickness requirements, complex geometries may require manual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820115
EISBN: 978-1-62708-339-3
... is time dependent—that is, time is needed for hydrogen diffusion—and the appearance of detectable cracks can be delayed until long after the weld has passed inspection. Additional information on the mechanisms of hydrogen cracking of weldments can be found in Ref 2 and 3 . For most commercial...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930023
EISBN: 978-1-62708-359-1
... restraint test is illustrated in Fig. 1 . This test, developed at Lehigh University, uses a plate with slots machined into the sides and ends. A groove weld joint is machined along the centerline of the plate, and a single-pass weld is produced along this groove. The restraint from the plate and slots...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... be acceptable, based on higher welding rates and improved productivity. For titanium plate thickness exceeding about 5 mm (0.20 in.), the high-energy density processes are the most efficient. PAW, for producing welds up to about 15 mm (0.6 in.) thick, and EBW, which can readily generate single-pass welds...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... weldments WELDED JOINTS in any component or structure require 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, and limitations...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930003
EISBN: 978-1-62708-359-1
..., but remains in a supersaturated solid solution. Subsequent aging treatments only precipitate Ni 3 (Al,Ti) as microscopic particles throughout the weld and the HAZ. Multiple-Pass Welds Grains of single-phase metals continue to grow without obstruction through each succeeding weld pass of multiple-pass...