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ASTM B695-21

Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel

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NORM herausgegeben am 1.11.2021

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Informationen über die Norm:

Bezeichnung normen: ASTM B695-21
Ausgabedatum normen: 1.11.2021
SKU: NS-1041729
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Kategorie - ähnliche Normen:

Metallic coatings

Die Annotation des Normtextes 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)

Ergänzende Informationen

1. Scope

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.

2. Referenced Documents

B242-99(2020)	Standard Guide for Preparation of High-Carbon Steel for Electroplating
	Specifications for Structural Joints Using ASTM or Bolts Available from American Institute of Steel Construction (AISC), One E. Wacker Dr., Suite 700, Chicago, IL 60601-2001, http://www.aisc.org.
B487-20	Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section
B499-09(2021)e1	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).
B571-23	Standard Practice for Qualitative Adhesion Testing of Metallic Coatings
B602-21	Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings
B697-88(2021)	Standard Guide for Selection of Sampling Plans for Inspection of Electrodeposited Metallic and Inorganic Coatings
A194/A194M-23	Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
A325-14	Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength (Withdrawn 2016)
A490-14	Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength
A563-15	Standard Specification for Carbon and Alloy Steel Nuts
A153/A153M-23	Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
B117-19	Standard Practice for Operating Salt Spray (Fog) Apparatus
B183-18(2022)	Standard Practice for Preparation of Low-Carbon Steel for Electroplating
B762-21	Standard Guide of Variables Sampling of Metallic and Inorganic Coatings
F1470-24	Standard Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection
MIL-C-81562	Coating, Cadmium, Tin Cadmium and Zinc (Mechanically Deposited) Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098
B322-99(2020)e1	Standard Guide for Cleaning Metals Prior to Electroplating (Includes all amendments and changes 12/7/2020).

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