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hot dip galvanizing

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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001100
EISBN: 978-1-62708-214-3
... A 36 and that the bolts he hot-dip galvanized per ASTM A 123 or A 153. Both galvanizing specifications make reference to ASTM A 143 for precautions to avoid strain-age embrittlement. Specimen Selection Three fractured bolts were examined. One bolt was in the as-fractured condition. The second...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001215
EISBN: 978-1-62708-235-8
... alloy formation. Even in the case of steel parts with lower silicon contents the reaction between iron and zinc can continue until the pure zinc layer has been consumed entirely if the work piece is not cooled sufficiently after withdrawal. Coating defects Galvanized steels Hot dip galvanizing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0046911
EISBN: 978-1-62708-227-3
... corrosion along elongated ferrite bands, possibly because silicon was dissolved in the ferrite and thus made it more susceptible to attack by the molten zinc. Recommendations included rewelding the vat using the manual shielded metal arc process with at least four passes on each side. Hot dip...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001832
EISBN: 978-1-62708-241-9
..., (2) hydrogen embrittlement, (3) hydroxide stress-corrosion cracking, and (4) nitrate stress-corrosion cracking. Liquid Metal Embrittlement It is possible that the metal could have embrittled during the hot dip galvanizing process, thereby facilitating crack initiation and growth during...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
.... Some of these problems are drilling of and installation damage to the composite, delamination of the composite material around the hole and pullout of the fastener under load, differences in expansion coefficients of the composite and the fastener, galvanic corrosion between the composite hole wall...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
... dip galvanizing bath. These failures are believed to be associated with high hardness and high residual stresses often found in welding. Penetration of molten zinc can also occur when previously galvanized parts are welded. “Copper checking” is a form of LMIE that occurs during hot working...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... size was reached. There are occasional anecdotal reports of steel components fracturing when immersed in a hot dip galvanizing bath. These failures are believed to be associated with high hardness and high residual stresses often induced during welding. Penetration of molten zinc can also occur...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
...: change in the environment; change in the alloy or heat treatment; change in design; use of galvanic protection; use of inhibitors; use of nonmetallic coatings and liners; application of metallic coatings; use of surface treatments, thermal spray, or other surface modifications; corrosion monitoring...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... and zinc in hot waters of a specific type of chemistry. Stainless Steels Galvanic-corrosion behavior of stainless steels is difficult to predict because of the influence of passivity. In the common galvanic series, a noble position is assumed by stainless steels in the passive state, while a more...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... turned, pickled, and hot dip galvanized. A tool steel slip ring was placed under the head between the pin and the insulator. Misalignment caused the tool steel ring to make marks in the galvanized coating on one side where it was in compression but not elsewhere, because there was no contact...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... that causes iron or steel to become more active than aluminum. A similar reversal can occur between iron and zinc in hot waters of a specific type of chemistry. Stainless Steels Galvanic-corrosion behavior of stainless steels is difficult to predict because of the influence of passivity. Passivation...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... coatings work by a combination of sacrificial (galvanic) action and oil barrier layer held between the open lattice of phosphate crystals on the steel part surface. The microcrystalline structure of the phosphate is very delicate and can be easily damaged by the conveyor systems commonly used...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001656
EISBN: 978-1-62708-219-8
... subjected to sinusoidal load fluctuations at 6.7 Hz in air, 3% NaCl solution, and natural sea water are described. Reinforcement types studied included: hot-rolled mild steel bar, hot-rolled alloyed high strength bar, cold-worked high strength bar, galvanized bar of all these three types, nickel-clad bar...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001145
EISBN: 978-1-62708-217-4
...Abstract Abstract Cartridge-pneumatic starter systems are used on military aircraft. In the cartridge mode used for alert starts, the starter turbine is driven by hot gases produced through the controlled burning of a solid propellant cartridge within a closed chamber (the breech chamber...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
..., stainless steel owes its corrosion-resistant properties to a passive surface film. The naturally occurring passive film is usually enhanced with immersion in a hot nitric acid solution or steam. For example, stainless steel surgical implants develop this passive layer when the implants are sterilized...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001272
EISBN: 978-1-62708-215-0
... °F). Pertinent Specifications Material: ASTM A446 grade B or F steel sheet, zinc-coated by the hot-dip process, structural quality Design Code: German: Silo code DIN 1055 E and DIN 1055 F. U.S.: Janssen theory Performance of Other Parts in Same or Similar Service The design...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001109
EISBN: 978-1-62708-214-3
... in the corrosion process. The basic cause of degradation was found to be hot corrosion caused by the deposition of alkali sulfates and chlorides. However this degradation may have been aggravated by thermal cycling and abrasion. The source of the salt was impurities in the flux. Two potential solutions were...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001812
EISBN: 978-1-62708-241-9
... phases in Al-Li alloys Mercury from broken thermometers, etc Mercury as an impurity in natural gas Molten metal from fires, especially Zn from galvanized steel dripping on stainless steel Zn-based paint splashes onto hot equipment Lubricants containing metals such as Pb Pick-up from...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... in electroplating and preparation for electroplating are described in ASTM A 143, “Standard Practice for Safeguarding against Embrittlement of Hot Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement.” Other relevant standards include: ASTM F 1940, “Standard Test Method...