1、Designation:B63315Standard Specification forElectrodeposited Coatings of Zinc on Iron and Steel1This standard is issued under the fixed designation B633;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numb
2、er in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers material and process require-men
3、ts for electrodeposited zinc coatings applied to iron or steelarticles to protect them from corrosion.1.2 The coatings are provided in four standard thicknessclasses(4.1),in the as-plated condition or with one of fivetypes of supplementary finishes(4.2).1.3 High strength metals,unless otherwise spec
4、ified,includ-ing high strength steels having a tensile strength greater than1700 MPa(247 ksi,46HRC)shall not be electroplated.1.4 It does not cover continuous processes for electrodepos-ited zinc coated steel wire or sheets(see Specification A591/A591M for sheets.)1.5 It may be used for fasteners bu
5、t specific specificationshave been developed for manufacturing fasteners in CommitteeF16 which may be more applicable(see Specifications F1941and F1941M.1.6 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.7 This standard does n
6、ot purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.8 This standard has been revised to addr
7、ess RoHS re-quirements that seek to limit the exposure of workers and thepublic from exposure to toxic metals.Additional types V and VIhave been added to permit non-chromate passivate treatmentsto be used in replacement of hexavalent chromium.2.Referenced Documents2.1 ASTM Standards:2A591/A591M Spec
8、ification for Steel Sheet,ElectrolyticZinc-Coated,for Light Coating Weight Mass Applica-tions(Withdrawn 2005)3B117 Practice for Operating Salt Spray(Fog)ApparatusB183 Practice for Preparation of Low-Carbon Steel forElectroplatingB201 Practice for Testing Chromate Coatings on Zinc andCadmium Surfaces
9、B242 Guide for Preparation of High-Carbon Steel for Elec-troplatingB254 Practice for Preparation of and Electroplating onStainless SteelB320 Practice for Preparation of Iron Castings for Electro-platingB322 Guide for Cleaning Metals Prior to ElectroplatingB374 Terminology Relating to ElectroplatingB
10、487 Test Method for Measurement of Metal and OxideCoating Thickness by Microscopical Examination ofCross SectionB499 Test Method for Measurement of Coating Thicknessesby the Magnetic Method:Nonmagnetic Coatings onMagnetic Basis MetalsB504 Test Method for Measurement of Thickness of Metal-lic Coating
11、s by the Coulometric MethodB567 Test Method for Measurement of Coating Thicknessby the Beta Backscatter MethodB568 Test Method for Measurement of Coating Thicknessby X-Ray SpectrometryB571 Practice for Qualitative Adhesion Testing of MetallicCoatings1This specification is under the jurisdiction of A
12、STM Committee B08 onMetallic and Inorganic Coatings and is the direct responsibility of SubcommitteeB08.06 on Soft Metals.Current edition approved Dec.1,2015.Published December 2015.Originallyapproved in 1978.Last previous edition approved in 2013 as B633 13.DOI:10.1520/B0633-15.2For referenced ASTM
13、 standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Co
14、pyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 B602 Test Method for Attribute Sampling of Metallic andInorganic CoatingsB697 Guide for Selection of Sampling Plans for Inspectionof Electrodeposited Metallic and Inorganic CoatingsB748 Test M
15、ethod for Measurement of Thickness of Metal-lic Coatings by Measurement of Cross Section with aScanning Electron MicroscopeB762 Test Method of Variables Sampling of Metallic andInorganic CoatingsB849 Specification for Pre-Treatments of Iron or Steel forReducing Risk of Hydrogen EmbrittlementB850 Gui
16、de for Post-Coating Treatments of Steel for Reduc-ing the Risk of Hydrogen EmbrittlementD2092 Guide for Preparation of Zinc-Coated(Galvanized)Steel Surfaces for Painting(Withdrawn 2008)3F1470 Practice for Fastener Sampling for Specified Me-chanical Properties and Performance InspectionF1941 Specification for Electrodeposited Coatings onThreaded Fasteners(Metric)F1941_F1941MF1941M Specification for Electrodeposited Coatings onThreaded Fasteners(Metric)(Withdrawn 2015)32.2 Military Standard:4MIL-S
