ASTM_F_594_-_09_2015.pdf

Designation:F59409(Reapproved 2015)Standard Specification forStainless Steel Nuts1This standard is issued under the fixed designation F594;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 nuts 0.25 to 1.50 in.,inclusive,in nominal diameter in anumber of alloys in common use and intended for serviceapplications requiring general corrosion resistance.1.2 Seven groups of stainless steel alloys are covered,including ten austenitic,two ferritic,four martensitic,and oneprecipitation hardening.GroupAlloysAConditionB1304,305,304L384,189LW,302HQC(CW)cold workedD2316,316L(CW)cold workedD3321,347(CW)cold workedD4430E(CW)cold workedD5410F(H)hardened and tempered6431(H)hardened and tempered7630(AH)aged 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.CWhen approved by the purchaser,alloys 303,303Se,or XM1 may be furnished.DSizes 0.75 in.and larger may be hot worked and solution annealed.EWhen approved by the purchaser,alloy 430F may be furnished.FWhen approved by the purchaser,alloy 416 or 416Se may be furnished.1.3 Supplementary requirements of an optional nature areprovided,applicable only when agreed upon by the manufac-turer and the purchaser at the time of the inquiry and order.1.4 Suitable bolts,hex cap screws,and studs for use withnuts included in this specification are covered by SpecificationF593.Unless otherwise specified,all bolts,hex cap screws,andstuds used with these nuts shall conform to the requirements ofSpecification F593 and shall be of the same alloy group.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 SteelsA342/A342M Test Methods for Permeability of WeaklyMagnetic MaterialsA380 Practice for Cleaning,Descaling,and Passivation ofStainless Steel Parts,Equipment,and SystemsA493 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 ProductsD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsF593 Specification for Stainless Steel Bolts,Hex CapScrews,and StudsF606 Test Methods for Determining the Mechanical Proper-ties of Externally and Internally Threaded Fasteners,Washers,and Rivets(Metric)F0606_F0606ME1470 Test Method for Characterization of Proteins byElectrophoretic Mobility(Withdrawn 2014)31This specification is under the jurisdiction of ASTM Committee F16 onFasteners and is the direct responsibility of Subcommittee F16.04 on NonferrousFasteners.Current edition approved Sept.1,2015.Published November 2015.Originallyapproved in 1978.Last previous edition approved in 2009 as F594 091.DOI:10.1520/F0594-09R15.2For 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.*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 2.2 ASME Standards:4B1.1 Unified Inch Screw ThreadsB18.2.2 Square and Hex NutsNOTE1The following ASTM standards are noted for informationonly as suitable sources of material for the manufacture of nuts to thisspecification:Specifications A493,A564/A564M,and A582/A582M.3.Ordering Information3.1 Orders for nuts under this specification shall include thefollowing:3.1.1 Quantity(number of pieces of each item and size),3.1.2 Name of item,3.1.3 Size(diameter and threads per inch),3.1