ASTM B809-95(2013)..
ASTM B832-93(2013)..
ASTM B840-99(2009)..
ASTM B841-99(2010)..
ASTM B842-99(2011)..
ASTM B843-13
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ASTM B816-00(2015)
Standard Specification for Coatings of Cadmium-Zinc Mechanically Deposited
Automaticky preložený názov:
Štandardné špecifikácie pre Nátery kadmia a zinku Mechanicky uložených
NORMA vydaná dňa 1.3.2015
Informácie o norme:
Označenie normy: ASTM B816-00(2015)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.3.2015
Kód tovaru: NS-585710
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM B816-00(2015) :
Keywords:
alloy plating, cadmium zinc alloy, chemical cadmium zinc, corrosion resistant coatings , mechanical cadmium zinc, mechanical plated coatings,, ICS Number Code 25.220.40 (Metallic coatings)
Doplňujúce informácie
| Significance and Use | ||||||||||||||||||||||||||||||||||||||
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6.1 Corrosion Resistance, General—This functional coating is used to provide corrosion resistance. The performance of this coating depends largely on its thickness and the kind of environment to which it is exposed. Published results of environmental corrosion studies have demonstrated that the coating provides corrosion resistance greater than equivalent thicknesses of zinc coatings in industrial environments and greater corrosion resistance than equivalent thicknesses of cadmium coatings in marine environments.4 6.2 Galvanic Corrosion Resistance—The galvanic couple that results in the corrosion of steel and aluminum parts in contact with each other in corrosive environments can also be minimized by plating the steel parts with this mechanically deposited coating. 6.3 Hydrogen Embrittlement, Absence of—The mechanical coating process does not produce any permanent hydrogen embrittlement in products made from high-strength steels, for example, fasteners or lock washers. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||
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1.1 General—This specification covers the requirements for a coating that is a mixture of cadmium and zinc deposited on metallic products by mechanical deposition. The coating is provided in four thickness classes (see Table 1) and several finish types (see Table 2). 1.2 Toxicity—1.3 Similar Documents—Other kinds of mechanically deposited coatings are covered by Specifications B635, B695, and B696. 1.4 The following precautionary caveat pertains only
to the test method portion, Section 9, of this specification.
Standard Guide for Selection of Sampling
Plans for Inspection of Electrodeposited Metallic and Inorganic
Coatings Standard Guide of Variables Sampling of
Metallic and Inorganic Coatings Standard Specification for Coatings of
Cadmium Mechanically Deposited Standard Practice for Operating Salt
Spray (Fog) Apparatus Standard Practice for Preparation of
Low-Carbon Steel for Electroplating Standard Guide for Preparation of
High-Carbon Steel for Electroplating Standard Practice for Preparation of Iron
Castings for Electroplating Standard Guide for Cleaning Metals Prior
to Electroplating (Includes all amendments and changes
12/7/2020). Standard Terminology Relating to
Electroplating Standard Test Method for Measurement of
Metal and Oxide Coating Thickness by Microscopical Examination of
Cross Section Standard Test Method for Measurement of
Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on
Magnetic Basis Metals (Includes all amendments and changes
5/18/2021). Standard Practice for Qualitative
Adhesion Testing of Metallic Coatings Standard Guide for Attribute Sampling of
Metallic and Inorganic Coatings Standard Specification for Coatings of
Cadmium-Tin Mechanically Deposited Standard Specification for Coatings of
Zinc Mechanically Deposited on Iron and Steel Method for Spectrographic Analysis of
Zinc and Zinc Alloys by the Solution-Residue Technique (Withdrawn
1986) Standard Test Methods for Chemical
Analysis of Cadmium Standard Test Methods for Chemical
Analysis of Zinc and Zinc Alloys Standard Practice for Fastener Sampling
for Specified Mechanical Properties and Performance Inspection |
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