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Standard Specification for Electrodeposited Coatings of Zinc Cobalt Alloy Deposits
NORMA vydaná dňa 15.11.2022
Označenie normy: ASTM B840-22
Dátum vydania normy: 15.11.2022
Kód tovaru: NS-1091347
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This specification covers the requirements for electrodeposited zinc cobalt alloy coatings on metals. The coating class is Class 1 and five coating types are Type a, Type b, Type c, Type d, and Type e. The metal to be plated shall be subjected to such cleaning, pickling, and electroplating procedures. Coating requirements include: substrate, nature of coating, appearance, thickness, adhesion, corrosion resistance, and pre- and post-coating treatments of iron and steel for reducing the risk of hydrogen embrittlement. Adhesion, porosity, corrosion resistance, or appearance tests shall be made.
Keywords:
coatings electrodeposited, corrosion resistant coatings, electrodeposited zinc cobalt alloy plating, zinc cobalt ,, ICS Number Code 25.220.40 (Metallic coatings)
1. Scope | ||||||||||||||||||||||||||||||||||||
1.1?This specification covers the requirements for electrodeposited zinc cobalt alloy coatings on metals. 1.2?The following precautionary caveat pertains to the test method portion only, Section 8, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||||||||||||||||||||||||||||||||||||
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