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flash pickling

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001314
EISBN: 978-1-62708-170-2
... article discusses the procedures used for pickling nickel and nickel alloys. It discusses three different surface conditions for pickling these nickel alloys: bright annealed white surface requiring removal of tarnish by flash pickling; bright annealed oxidized surface requiring removal of a layer of...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005633
EISBN: 978-1-62708-174-0
... of the final assembly, and other improvements. The process is used to join rails for railroads, coils of steel for processing in pickle and cold reduction lines, automotive parts, rings for aircraft engines, bandsaw blades, and a wide variety of parts. Flash welding can be used for joining many...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003220
EISBN: 978-1-62708-199-3
... vary from 20 min to 4 h, as determined by visual observation of the reaction. After this treatment, parts must be rinsed thoroughly in water and dried. Tarnish (an oxide film) must always be removed before welding or brazing. Flash pickling is most frequently used to remove tarnish. A typical flash...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005777
EISBN: 978-1-62708-165-8
... corrosion, because water can remain on the part and cause flash rust. Compared to solvents, aqueous systems generally have higher capital costs and require elaborate rinsing and drying procedures as well as tighter process controls for optimum cleaning. Spent solvents are classified as a hazardous waste...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001269
EISBN: 978-1-62708-170-2
... both flash off the volatile materials and oxidize the carbon compounds that are on the surface of the strip. The role of the oxidizing furnace is to oxidize all of the carbonaceous products without leaving too thick an oxide layer for the reducing furnace to convert back to pure iron. All oxide that...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
..., followed by flash pickling, is usually the best method for the removal of heavy scale. Abrasive blasting requires low capital investment and eliminates the use and disposal of acids. Because of their inherent corrosion resistance, zinc and zinc alloys can be used satisfactorily in many applications...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003213
EISBN: 978-1-62708-199-3
..., ceramic shell coatings, or dried paint Roughening surfaces in preparation for bonding, painting, enameling, or other coating substances Removing large burrs or weld spatter Developing a uniform surface finish, even when slightly dissimilar surfaces are present Removing flash from rubber or...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001309
EISBN: 978-1-62708-170-2
... thermosetting and forced drying. All lacquers can be force dried after a suitable air-flash period to facilitate handling, but thermosetting materials must be heated to an appropriate temperature, 120 to 205 °C (250 to 400 °F) or higher, for 5 to 60 min, to cross-link the polymers present in them and to develop...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
... coating can also be obtained if the surface to be plated is first shot blasted and the flash coated with an undercoat of copper, deposited by chemical displacement from a specified electrolyte. For plating gold on tantalum, heat treatment before and after the electrolytic plating will enhance the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001305
EISBN: 978-1-62708-170-2
... cleaning when possible; use mechanical cleaning followed by scrubbing with hot water and detergent, final thorough water rinsing, and drying. (g) If flash attack (clouding of stainless steel surface) occurs, a fresh (clean) passivating solution or a higher HNO 3 concentration will usually eliminate it...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003207
EISBN: 978-1-62708-199-3
... projection welding, and flash welding. flash welding process variables resistance projection welding resistance seam welding resistance spot welding welding equipment welding machine welding parameters RESISTANCE SPOT WELDING (RSW) is a process in which faying surfaces are...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001443
EISBN: 978-1-62708-173-3
... flash welding, high-frequency resistance welding, and capacitor discharge stud welding. It concludes with a discussion on resistance welding of stainless steels, aluminum alloys, and copper and copper alloys. aluminum alloys capacitor discharge stud welding clamping dies copper copper alloys...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
.... The applicability of these methods is determined by part shape, required surface finish, and allowable loss of gage or dimension. However, abrasive cleaning can remove some metal and degrade surface finishes. Therefore, flash pickling is used more often than abrasive cleaning to remove tarnish. A...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001310
EISBN: 978-1-62708-170-2
... coats Satellites System A: dichromate System B: anodize System C: zinc immersion coating, flash copper plate, 9.1 μm (0.36 mil), silver 0.0025 μm (0.0001 mil), gold, 0.0025 μm (0.0001 mil) General systems—indoor exposures System A Phosphate pretreat, epoxy, vinyl, epoxy hybrid...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003997
EISBN: 978-1-62708-185-6
... ) 0.4 ( 1 64 ) 0.4 ( 1 64 ) 0.4 ( 1 64 ) Approximate flash thickness 1.2 ( 3 64 ) 1.6 ( 1 16 ) 1.6 ( 1 16 ) 2.0 ( 5 64 ) (a) Tolerances should be understood as plus and minus; if tolerances all plus or all minus are desired...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
.... Sulfurized or sulfochlorinated oils may be used if the work is carefully cleaned afterward in a degreaser or an alkaline cleaner. Work that has been formed in zinc alloy dies should be flash-pickled in nitric acid before heat treatment to prevent the possibility of zinc embrittlement. Niobium and...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001221
EISBN: 978-1-62708-170-2
... results in removing pigmented compounds. The usual spray time is 30 to 60 s; emulsion temperatures may range from 54 to 77 °C (130 to 170 °F), depending on the flash point of the cleaner. In continuous cleaning, two adjacent spray zones or a hot water (60 to 66 °C, or 140 to 150 °F) rinse stage located...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003094
EISBN: 978-1-62708-199-3
... Symbol Hot-rolled sheet Commercial quality A 569, A 635 1008–1012 As-rolled (black) A As-rolled (black) A Pickled—dry P Pickled—dry P Pickled and oiled O Pickled and oiled O Drawing quality A 621 1006–1008 As-rolled (black) A As-rolled (black) A Pickled—dry P...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005145
EISBN: 978-1-62708-186-3
... removal is difficult. Work that has been formed in zinc alloy dies should be flash-pickled in nitric acid before heat treatment to prevent the possibility of zinc embrittlement. Nickel and cobalt alloys do not require special equipment for cold forming. However, the physical and...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001224
EISBN: 978-1-62708-170-2
... applications for emulsion cleaners are summarized in Tables 1 and 2 . Table 1 Compositions and operating temperatures for emulsion concentrates Maximum safe temperature depends on the flash point of the hydrocarbon (petroleum) solvent used as the major component Component Composition, parts by...