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Welded steel (Steel, general)

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930179
EISBN: 978-1-62708-359-1
... by-product on the cut surfaces. A grinding operation following CAC is necessary to remove this layer. Guidelines for Various Base Metals Each group of base metals has specific general repair guidelines that must be followed to ensure successful weld repairs of both ferrous (carbon steels, cast irons...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
... grades, is their excellent stress-corrosion cracking resistance and good resistance to pitting and crevice corrosion in chloride environments. This chapter provides information on the classifications, properties, and general welding considerations of ferritic stainless steels. The emphasis is placed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... of figures and photos organized in six sections: Section 1: General Description of AHSS (definitions, metallurgy, high-strength steel) Section 2: Forming (computerized forming, sheet forming, tube forming, hydroforming) Section 3: Joining (welding procedures) Section 4: Glossary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930249
EISBN: 978-1-62708-359-1
... the toughness, and to decrease residual stresses associated with welding. Postweld heat treatments used for martensitic stainless steels usually take one of two forms. The more common form involves tempering the weldment by heating it below the austenite start temperature, A s ( Fig. 4 ). This is generally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2010
DOI: 10.31399/asm.tb.hss.t52790235
EISBN: 978-1-62708-356-0
... designations. The Copper Development Association and the American Welding Society had numbering systems, but they were outmoded. One of the biggest problems was that AISI announced early in the 1960s that they were discontinuing the practice of assigning numbers to steels. To take care of an immediate need...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290023
EISBN: 978-1-62708-306-5
... contamination, its use is generally limited to special applications, such as the joining of stainless steels, and to plasma arc cutting and gouging. Nitrogen is generally considered to be inert except at high temperatures. At arc welding temperatures, it will react with some metals (e.g., aluminum...
Image
Published: 01 August 2018
morphology is similar to those observed in the solidification of austenitic castings with bad selection of chemical composition. (In this case, the weld metal composition was excessively changed by diluting the engineering steel in the lower part of the image, generating conditions favorable to cracking More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820177
EISBN: 978-1-62708-339-3
...Abstract Abstract This chapter reviews weld corrosion in three key application areas: petroleum refining and petrochemical operations, boiling water reactor piping systems, and components used in pulp and paper plants. The discussion of each area addresses general design and service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
... in several nickel-based superalloys and creep-resistant steels, this type of defect manifests during postweld heat treatment, generally as intergranular HAZ cracks. Postweld heat treatment is often a recommended practice for high-strength thick-section welded steels, where a reduction of residual stresses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... for these steels are automobile body panels, appliances, and light-walled tanks. In the range of 0.15 to 0.30% C (sometimes termed mild steels), the steels are generally easily welded, but because hardening is a possibility, precautions such as preheating may be required at higher manganese levels, in thicker...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... stainless steels provides very good hot cracking resistance. The rapid cooling of welds produces welds and HAZ with more ferrite than the parent metal by quenching in the high-temperature ferrite. Duplex alloys are more sensitive to problems in the HAZ because their generally high chromium and molybdenum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820115
EISBN: 978-1-62708-339-3
..., hardened by quenching, and then tempered for increased ductility and toughness. This chapter provides a basic understanding of grade designations, properties, corrosion resistance, and general welding considerations of martensitic stainless steels. It also discusses the causes for hydrogen-induced cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... steel, and some nickel alloys are also cold headed. Titanium, beryllium, magnesium, and refractory metals, such as tungsten and molybdenum, are difficult to cold head at room temperature and are susceptible to cracking. They sometimes are warm formed. Wire for cold heading generally is available...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090349
EISBN: 978-1-62708-266-2
...Abstract Abstract This chapter examines the stress-corrosion cracking (SCC) failure of stainless steel pipe welds in boiling water reactor (BWR) service. It explains where most of the failures have occurred and provides relevant details about the materials of construction, fabrication...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820001
EISBN: 978-1-62708-339-3
... consumables for field repair of heavy machinery, particularly those fabricated from high-strength low-alloy steel. This practice leaves a cathodic stainless steel weld deposit in electrical contact with the steel. In the presence of corrosive environments, hydrogen is generated at the austenitic weld metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030215
EISBN: 978-1-62708-282-2
... is challenged to ensure that the welds are as corrosion resistant as the base metals. Generally, the weld metal must equal the base metal in chemical composition and must be virtually free of surface defects, such as porosity, slag inclusions, incomplete penetration, or lack of fusion, for long, maintenance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... surfaces generally have inferior corrosion resistance compared to properly acid-pickled surfaces. Unmixed Zones All methods of welding stainless steel with a filler metal produce a weld fusion boundary consisting of base metal that has been melted but not mechanically mixed with filler metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820099
EISBN: 978-1-62708-339-3
... progress has been made in defining the correct parameters and chemistry modifications for achieving sound welds. This chapter provides a basic understanding of the development, grade designations, microstructure, properties, and general welding considerations of duplex stainless steel. It also discusses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930189
EISBN: 978-1-62708-359-1
... is the preferable microstructure, use of this diagram should reduce problems of hot cracking during welding. Also, the corrosion behavior of stainless steel weld deposits and castings is measurably different depending on whether the stainless steel has a microstructure generated with primary ferrite or primary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200369
EISBN: 978-1-62708-354-6
... be eliminated in this manner. Generally speaking, if the hardness of the HAZ after welding does not exceed 35 HRC or 327 BHN, preheating of the casting for welding is not required. As additional alloy is added to the steel, the need for preheat increases. Most of the low alloy steels, such as the cast...