ASTM_F_593_-_13a.pdf

Designation:F59313aStandard Specification forStainless Steel Bolts,Hex Cap Screws,and Studs1This standard is issued under the fixed designation F593;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()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.Scope*1.1 This specification covers the requirements for stainlesssteel bolts,hex cap screws,and studs 0.25 to 1.50 in.,inclusive,in nominal diameter in a number of alloys in common use andintended for service applications requiring general corrosionresistance.1.2 Seven groups of stainless steel alloys are covered,including thirteen austenitic,two ferritic,four martensitic,andone precipitation hardening.GroupAlloysAConditionB1304,305,384,304 L,(CW)cold workedC18-9LW,302HQD2316,316 L(CW)cold workedC3321,347(CW)cold workedC4430E(CW)cold workedC5410F(H)hardened and tempered6431(H)hardened and tempered7630(AH)age hardenedAUnless otherwise specified on the inquiry and order,the choice of an alloy fromwithin a group shall be at the discretion of the fastener manufacturer(see 6.1).BSee 4.2 for options.CSizes 0.75 in.and larger may be hot worked and solution annealed,provided thebolts comply with the cold worked(CW)mechanical property requirements.DWhen approved by the purchaser,Alloys 303,303Se,or XM1 may be furnished.EWhen approved by the purchaser,Alloy 430F may be furnished.FWhen approved by the purchaser,Alloys 416 or 416Se may be furnished.1.3 Supplementary requirements of an optional nature areprovided,applicable only when agreed upon between themanufacturer and the purchaser at the time of the inquiry andorder.1.4 Suitable nuts for use with bolts,hex cap screws,andstuds included in this specification are covered by SpecificationF594.Unless otherwise specified,all nuts used on thesefasteners shall conform to the requirements of SpecificationF594,shall be of the same alloy group,and shall have aspecified minimum proof stress equal to or greater than thespecified minimum full-size tensile strength of the externallythreaded fastener.1.5 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 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.2.Referenced Documents2.1 ASTM Standards:2A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Stainless SteelsA276 Specification for Stainless Steel Bars and ShapesA342/A342M Test Methods for Permeability of FeeblyMagnetic MaterialsA380 Practice for Cleaning,Descaling,and Passivation ofStainless Steel Parts,Equipment,and SystemsA484/A484M Specification for General Requirements forStainless Steel Bars,Billets,and ForgingsA493 Specification for Stainless Steel Wire and Wire Rodsfor Cold Heading and Cold ForgingA555/A555M Specification for General Requirements forStainless Steel Wire and Wire RodsA564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and ShapesA582/A582M Specification for Free-Machining StainlessSteel BarsA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsA967 Specification for Chemical Passivation Treatments forStainless Steel PartsD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsF594 Specification for Stainless Steel Nuts1This specification is under the jurisdiction of ASTM Committee F16 onFasteners and is the direct responsibility of Subcommittee F16.04 on NonferrousFasteners.Current edition approved Dec.1,2013.Published January 2014.Originallyapproved in 1978.Last previous edition approved in 2013 as F593 13.DOI:10.1520/F0593-13A.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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 F606 Test Methods for Determining the Mechanical Proper-ties of Externally and Internally Threaded Fasteners,Washers,Direct Tension Indicators,and RivetsF1470 Practice for Fastener Sampling for Specified Me-chanical Properties and Performance Inspection2.2 ASME Standards:3B1.1 Unified Inch Screw ThreadsB18.2.1 Square and Hex Bolts and Screws,Including