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galvannealed coating

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003688
EISBN: 978-1-62708-182-5
...Abstract Abstract This article describes the basic principles, processing steps, and benefits of continuous hot dip coatings. It provides useful information on the principal types of coatings applied in the hot-dip process. The types of coatings include galvanized coatings, galvannealed...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001270
EISBN: 978-1-62708-170-2
... and cold lines. Post-Treatments After the coating has been applied, several options are available for post-treatment of the strip. One possibility is galvannealing to produce zinc-iron alloy coatings, as discussed in the section “Zinc-Iron Alloy Coatings” in this article. Another is spangle...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005164
EISBN: 978-1-62708-186-3
... lubricants, or when developing new parts using prototype tooling. Both electrogalvanized and galvannealed steels have been shown to be sensitive to changes in tooling material between gray cast iron, nitrided gray cast iron, torch-hardened cast iron, bare steel, TiN-coated steel, and CrN-coated steel ( Ref 1...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003761
EISBN: 978-1-62708-177-1
... or by electroplating, as in producing an electrogalvanized layer. There are also commercial hot dipped aluminum-zinc alloys, including Galvalume (a Zn-55% Al + 1.6% Si alloy) and Galfan (a Zn-5% Al alloy). There is also a zinc coating called galvanneal, which is a heat treated layer of a galvanized coating on a low...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005594
EISBN: 978-1-62708-174-0
... be resistance spot welded if the appropriate equipment is used with suitable welding conditions. This is particularly true for thin sheet or strip steel products, whether uncoated or coated. Weldability and the thickness of the metals joined are key factors in determining whether two materials can be resistance...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002466
EISBN: 978-1-62708-194-8
... exits the bath, the thickness of the molten metal film is controlled by gas wiping dies that remove excess coating metal. After coating, the sheet is either cooled by forced air or subjected to an in-line heat treatment, called galvannealing, before being rewound into coil or sheared into cut lengths...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003781
EISBN: 978-1-62708-177-1
... in concentrations under 1%. The effects on microstructure produced by these elements are described as follows. Zinc has a familiar role as a protective coating for steel in galvanizing processes. Pure zinc and zinc-aluminum alloys are used in continuous hot dip processes. The galvanneal process uses zinc-iron...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003808
EISBN: 978-1-62708-183-2
... Zinc Zn (a) 42–550 6–78 Sacrificial coating, good corrosion resistance Automotive, metal building, construction, and appliances Zinc-iron (galvanneal) 7–14 Fe 30–90 4–13 Good corrosion resistance, excellent spot weldability and paintability Autobody panels, floor pans, wheel house liners...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004162
EISBN: 978-1-62708-184-9
...), and hot dip galvannealed steel (GA) for corrosion-resistant automotive body panels. Other more complicated and less robust coating candidates were developed and vigorously marketed, but vanished with increasing understanding of corrosion mechanisms and the development of rational accelerated corrosion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003217
EISBN: 978-1-62708-199-3
... galvannealing, before being rewound into coil or sheared into cut lengths at the exit of the line. Hot-Dip Zinc-Iron Coatings Also known as galvanneal, zinc-iron alloy coatings produced by the thermal diffusion and alloying of a galvanized coating with a steel substrate were developed during the 1970s...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003678
EISBN: 978-1-62708-182-5
.../m 2 can be obtained on galvannealed and high-strength-steels. For cold forming and lubrification, coating weights of up to 60 g/m 2 (0.20 oz/ft 2 ) are common. These layers are sometimes referred to as “heavy phosphating” and are often, but not always, based on manganese- rather than zinc...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001271
EISBN: 978-1-62708-170-2
... of an electroplated coating are also required. However, recent advances in hot-dip coating technology have improved the quality of the hot-dip Zn-Fe coating or so-called Galvanneal coating. This has contributed to a decline in the production and use of the electroplated Zn-Fe coating, along with the fact...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005834
EISBN: 978-1-62708-167-2
... categories of heating prior to metalworking, heat treating, melting, joining (e.g., welding, brazing/soldering, and shrink fitting) and coating (e.g., galvanizing, galvannealing, tinning, film depositioning, etc.) applications. While these are the most common uses, a variety of other operations...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001012
EISBN: 978-1-62708-161-0
...Use of zinc-coated steel for a typical 1986 model U.S. car Table 1 Use of zinc-coated steel for a typical 1986 model U.S. car Type Amount of steel Amount of zinc kg lb kg lb One-side galvanized 33.5 74 0.55 1.21 Two-side galvanized 93 205 3.05 6.72 Zincrometal...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003144
EISBN: 978-1-62708-199-3
... known as galvannealing that converts the coating to an iron-zinc alloy. Galvannealing has been used for building products for a number of years and, more recently, for automotive parts. In recent years, new strip coatings with improved corrosion resistance, namely Galfan (5% Al) and Galvalume (55% Al...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003830
EISBN: 978-1-62708-183-2
... coatings depend on many operational factors, particularly the surface condition of the steel and the chemistry of the steel and the molten zinc bath. In addition to pure zinc coatings, a number of zinc alloy coatings that offer better corrosion performance have been developed, among them Galvanneal...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001077
EISBN: 978-1-62708-162-7
... the coating to an iron-zinc alloy. Galvannealing has been used for building products for a number of years and, more recently, for automotive parts. In recent years, new strip coatings with improved corrosion resistance, namely Galfan (5% Al) and Galvalume (55% Al), have been introduced. Galfan has been...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005618
EISBN: 978-1-62708-174-0
...-garnet (YAG) lasers with 1.06 μm wavelength, disk lasers at 1.03 μm wavelength, and ytterbium-fiber lasers with 1.07 μm wavelength (all part of the “1 μm” laser family), focusing lenses are generally made of fused silica with special antireflecting coating. Other special coatings are being developed...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006274
EISBN: 978-1-62708-169-6
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005628
EISBN: 978-1-62708-174-0