ASTM_B_695_-_04_2016.pdf

Designation:B69504(Reapproved 2016)Standard Specification forCoatings of Zinc Mechanically Deposited on Iron and Steel1This standard is issued under the fixed designation B695;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number 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 the requirements for a coatingof zinc mechanically deposited on iron and steel basis metals.The coating is provided in several thicknesses up to andincluding 107 m.The seven thickest classes are usuallyreferred to as“mechanically galvanized.”1.2 This standard does not 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.NOTE1The performance of this coating complies with the require-ments of Specification A153/A153M and MIL-C-81562.1.3 The values stated in SI units are to be regarded as thestandard.The inch-pound equivalents of SI units are given forinformational purposes.2.Referenced Documents2.1 ASTM Standards:2A153/A153M Specification for Zinc Coating(Hot-Dip)onIron and Steel HardwareA194/A194M Specification for Carbon Steel,Alloy Steel,and Stainless Steel Nuts for Bolts for High Pressure orHigh Temperature Service,or BothA325 Specification for Structural Bolts,Steel,Heat Treated,120/105 ksi Minimum Tensile Strength(Withdrawn2016)3A490 Specification for Structural Bolts,Alloy Steel,HeatTreated,150 ksi Minimum Tensile Strength(Withdrawn2016)3A563 Specification for Carbon and Alloy Steel NutsB117 Practice for Operating Salt Spray(Fog)ApparatusB183 Practice for Preparation of Low-Carbon Steel forElectroplatingB242 Guide for Preparation of High-Carbon Steel for Elec-troplatingB322 Guide for Cleaning Metals Prior to ElectroplatingB487 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 MetalsB571 Practice for Qualitative Adhesion Testing of MetallicCoatingsB602 Test Method for Attribute Sampling of Metallic andInorganic CoatingsB697 Guide for Selection of Sampling Plans for Inspectionof Electrodeposited Metallic and Inorganic CoatingsB762 Test Method of Variables Sampling of Metallic andInorganic CoatingsF1470 Practice for Fastener Sampling for Specified Me-chanical Properties and Performance Inspection2.2 Military Standard:MIL-C-81562 Coating,Cadmium,Tin Cadmium and Zinc(Mechanically Deposited)42.3 AISC Standard:Specifications for Structural Joints Using ASTM A325 orA490 Bolts53.Classification3.1 ClassesZinc coatings are classified on the basis ofthickness,as follows:1This specification is under the jurisdiction of ASTM Committee B08 onMetallic and Inorganic Coatings and is the direct responsibility of SubcommitteeB08.06 on Soft Metals.Current edition approved Nov.1,2016.Published November 2016.Originallyapproved in 1982.Last previous edition approved in 2009 as B695 04(2009).DOI:10.1520/B0695-04R16.2For referenced ASTM 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.4Available from Standardization Documents Order Desk,DODSSP,Bldg.4,Section D,700 Robbins Ave.,Philadelphia,PA 19111-50985Available from American Institute of Steel Construction(AISC),One E.Wacker Dr.,Suite 700,Chicago,IL 60601-2001,http:/www.aisc.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 ClassMinimum Thickness,m1101078081706965665553505040402525121288553.2 TypesZinc coatings are identified by types on the basisof supplementary treatment required,as follows:Type IAs coated,without supplementary treatment(Ap-pendix X2.1).Type IIWith colored chromate conversion treatment(Ap-pendix X2.2).4.Ordering Information4.1 Supplying the following information by the purchaser tothe seller in the purchase order or other governing documentwill make the application of this specification complete:4.1.1 Class,including a maximum thickness,if appropriate,type,and for Type II,color and need for supplemental lubricant(3.1,3.2,and 6.2.5),4.1.2 Nature of substrate(for example,high-strength steel),need for stress relief(6.2.1),and cleaning precautions to befollowed(6.2.2 and 6.2.3),4.1.3 Significant surfaces(6.3),4.1.4 Requirements for and methods of testing for one ormore of the following,if required:need for