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ASTM B695-21
Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
NORMA vydaná dňa 1.11.2021
Informácie o norme:
Označenie normy: ASTM B695-21
Dátum vydania normy: 1.11.2021
Kód tovaru: NS-1041729
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 B695-21 :
This specification covers the requirements for zinc coatings that are mechanically deposited on iron or steel basis metals. The zinc coatings are classified according to thickness and identified into two types; as coated without supplementary treatments or with colored chromate conversion treatment. The thickest coating classes are usually referred to as ""mechanically galvanized"". All deposited coatings should have a bright uniform silvery appearance, and a matte to medium-bright luster. Samples should be tested for adhesion, salt-spray corrosion resistance, appearance, thickness, and absence of hydrogen embrittlement. All tests results should comply with the given requirements.
Keywords:
chemical zinc, corrosion resistant coatings, mechanical galvanize, mechanical zinc, zinc coatings,, ICS Number Code 25.220.40 (Metallic coatings)
Doplňujúce informácie
| 1. Scope | ||||||||||||||||||||||||||||||||||||
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1.1?This specification covers the requirements for a coating of zinc mechanically deposited on iron and steel basis metals. The coating is provided in several thicknesses up to and including 107 ?m. The seven thickest classes are usually referred to as mechanically galvanized. 1.2?UnitsThe values stated in SI units are to be regarded as the standard. The inch-pound equivalents of SI units are given for informational purposes. 1.3?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. Note 1:?The performance of this coating complies with the
requirements of Specification A153/A153M and MIL-C-81562.
1.4?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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