1、Designation: F468 12F468 13Standard Specification forNonferrous Bolts, Hex Cap Screws, Socket Head CapScrews, and Studs for General Use1This standard is issued under the fixed designation F468; the number immediately following the designation indicates the year of originaladoption or, in the case of
2、 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 specifi
3、cation covers the requirements for commercial wrought nonferrous bolts, hex cap screws, and studs 0.250 to1.500 in. and socket head cap screws (including socket head cap, button head and flat countersunk head configurations) withnominal thread 0.06 (size 0) through 1.500 in. inclusive in diameter ma
4、nufactured from a number of alloys in common use andintended for general service applications.1.2 Applicable nuts for use with bolts, cap screws, and studs covered by this specification are covered by Specification F467.NOTE 1A complete metric companion to Specification F468 has been developedF468M;
5、 therefore no metric equivalents are presented in thisspecification.1.2.1 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in thisstandard.NOTE 1A complete metric companion to Specification F468 has been developedF468M; therefore no met
6、ric equivalents are presented in thisspecification.2. Referenced Documents2.1 ASTM Standards:2B154 Test Method for Mercurous Nitrate Test for Copper AlloysB193 Test Method for Resistivity of Electrical Conductor MaterialsB211 Specification for Aluminum and Aluminum-Alloy Rolled or Cold Finished Bar,
7、 Rod, and WireB565 Test Method for Shear Testing of Aluminum and Aluminum-Alloy Rivets and Cold-Heading Wire and RodsB574 Specification for Low-Carbon Nickel-Chromium-Molybdenum, Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybde
8、num-Copper, and Low-CarbonNickel-Chromium-Molybdenum-Tungsten Alloy RodD3951 Practice for Commercial PackagingE8/E8M Test Methods for Tension Testing of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data to Determine C
9、onformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base AlloysE38 Methods for Chemical Analysis of Nickel-Chromium and Nickel-Chromium-Iron Alloys (Withdrawn 1989)3E53 Test Method for Determination of Copper in Unalloyed Copper by GravimetryE54 Test Methods
10、 for Chemical Analysis of Special Brasses and Bronzes (Withdrawn 2002)3E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical CompositionE62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods) (Withdrawn 2010)3E75 Test Methods fo
11、r Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys (Withdrawn 2010)3E76 Test Methods for Chemical Analysis of Nickel-Copper Alloys (Withdrawn 2003)31 This specification is under the jurisdiction of ASTM Committee F16 on Fasteners and is the direct responsibility of Subcommittee F16.0
12、4 on Nonferrous Fasteners.Current edition approved June 1, 2012Nov. 1, 2013. Published November 2012December 2014. Originally approved in 1976. Last previous edition approved in 20102012as F468 10. 12. DOI: 10.1520/F0468-12.10.1520/F0468-13.2 For referencedASTM standards, visit theASTM website, www.
13、astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 The last approved version of this historical standard is referenced on www.astm.org.This document is not an ASTM stand
14、ard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases
15、 only the current versionof the standard as published by ASTM is to be considered the official document.*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 States1E92 Test Method f
16、or Vickers Hardness of Metallic Materials (Withdrawn 2010)3E101 Test Method for SpectrographicAnalysis ofAluminum andAluminumAlloys by the Point-to-PlaneTechnique (Withdrawn1996)3E120 Test Methods for Chemical Analysis of Titanium and Titanium Alloys (Withdrawn 2003)3E165 Practice for Liquid Penetra
17、nt Examination for General IndustryE227 Test Method for Optical Emission Spectrometric Analysis of Aluminum and Aluminum Alloys by the Point-to-PlaneTechnique (Withdrawn 2002)3E354 Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, andCobalt
18、 AlloysE478 Test Methods for Chemical Analysis of Copper AlloysE1409 Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by Inert Gas FusionF467 Specification for Nonferrous Nuts for General UseF606 Test Methods for Determining the Mechanical Properties of Externally
19、 and Internally Threaded Fasteners, Washers, DirectTension Indicators, and RivetsF788/F788M Specification for Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric SeriesF1470 Practice for Fastener Sampling for Specified Mechanical Properties and Performance Inspection2.2 ASME Standar
20、ds:4ASME B1.1 Unified Inch Screw Threads (UN and UNR Thread Form)ASME B1.3 Screw Thread Gaging System for Dimensional Acceptability Inch Screw Threads (IN, UNR, and UNJ)ASME B18.2.1 Square and Hex Bolts and Screws, Including Hex Cap ScrewsASME B18.3 Socket Head Cap, Shoulder, and Set Screws Inch Ser
21、iesASME H35.1 Alloy and Temper Designation Systems for Aluminum2.3 Federal Specifications:QQ-N-286 Nickel-Copper-Aluminum Alloy, Wrought (UNS N05500)3. Ordering Information3.1 Orders for fasteners under this specification shall include the following information:3.1.1 Quantity (number of pieces of ea
22、ch item and size),3.1.2 Name of item. For silicon bronze alloy 651, state if hex cap screw dimensions or roll thread body diameter are required(see 7.1.2);3.1.3 Size (nominal diameter, threads per inch, thread pitch, thread class, and length);3.1.4 Alloy number (Table 1). For Ti5, state Class A or C
23、lass B (Table 1, 6.5, and 6.5.1);3.1.5 Stress relieving, if required (see 4.2.3);3.1.6 Source inspection, if required (see Section 13);3.1.7 Certificate of compliance, conformance, or test reports, if required (see Section 15);3.1.8 Additional requirements, if any, to be specified on the purchase or
24、der (see 4.2.1, 4.2.4, 7.3.1, 8.2, 10.1, and 11.1);3.1.9 Supplementary Requirements, if any; and3.1.10 ASTM designation and date of issue.NOTE 2Example10 000 pieces, Hex Cap Screw, 0.250 in.-20 3.00 in., Alloy 270. Furnish Certificate of Compliance, Supplementary Requirement S1, ASTMF 468-XX.4. Mate
25、rials and Manufacture4.1 Materials:4.1.1 The bolts, cap screws, socket head cap screws and studs shall be manufactured from material having a chemicalcomposition conforming to the requirements in Table 1, except as provided in Supplementary Requirement S5, and capable ofdeveloping the required mecha
26、nical properties for the specified alloy in the finished fastener. See Specification B574 for nickelalloys.4.1.2 The starting condition of the raw material shall be at the discretion of the fastener manufacturer except as provided inSupplementary Requirement S5, but shall be such that the finished p
27、roducts conform to all of the specified requirements.4.2 Manufacture:4.2.1 FormingUnless otherwise specified, the fasteners shall be cold formed, hot formed, or machined from suitable material,at the option of the manufacturer.4.2.2 ConditionExcept as provided in 4.2.3 and Supplementary Requirement
28、S5, the fasteners shall be furnished in thefollowing conditions:4 Available from Global Engineering Documents, 15 Inverness Way, East Englewood, CO 80112-5704.F468 132TABLE 1 Chemical RequirementsComposition, %UNSDesigna-tionNumberCopper and Copper-Base AlloysAlloy General Name Aluminum Copper,min I
29、ron,max Manganese,max Nickel,max Phosphorus Silicon Zinc,maxA Lead,max Tin Arsenic,maxC11000 110 ETP copper . . . 99.9 . . . . . . . . . . . . . . . . . . . . . . . . . . .C26000 260 brass . . . 68.571.5 0.05 . . . . . . . . . . . . balance 0.07 . . . . . .C27000 270 brass . . . 63.068.5 0.07 . . .
30、. . . . . . . . . balance 0.10 . . . . . .C46200 462 naval brass . . . 62.065.0 0.10 . . . . . . . . . . . . balance 0.20 0.51.0 . . .C46400 464 naval brass . . . 59.062.0 0.10 . . . . . . . . . . . . balance 0.20 0.51.0 . . .C51000 510 phosphor bronze . . . balanceA 0.10 . . . . . . 0.030.35 . . .
31、0.30 0.05 4.25.8 . . .C61300 613 aluminum bronze 6.07.5 B 2.03.0 0.10 0.15C 0.015 0.10 0.05 0.01 0.200.50 . . .C61400 614 aluminum bronze 6.08.0 88.0D 1.53.5 1.0 . . . . . . . . . . . . . . . . . . . . .C63000 630 aluminum bronze 9.011.0 78.0D 2.04.0 1.5 4.05.5 . . . 0.25 max . . . . . . 0.20 max .
32、. .C64200 642 aluminum silicon bronze 6.37.6 88.65D 0.30 0.10 0.25 . . . 1.52.2E 0.50 0.05 0.20 max 0.15C65100 651 silicon bronze . . . 96.0D 0.8 0.7 . . . . . . 0.82.0 1.5 0.05 . . . . . .C65500 655 silicon bronze . . . 94.8D 0.8 1.5 0.6 . . . 2.83.8 1.5 0.05 . . . . . .C66100 661 silicon bronze 0.
33、25 max 94.0D 0.25 1.5 . . . . . . 2.83.5 1.5 0.200.8 . . . . . .C67500 675 manganese bronze . . . 57.060.0 0.82.0 0.050.5 . . . . . . . . . balance 0.20 0.51.5 . . .C71000 710 cupro-nickel . . . 74.0D 0.60 1.00 19.023.0C . . . . . . 1.00 0.05 . . . . . .C71500 715 cupro-nickel . . . 65.0D 0.400.7 1.
34、00 29.033.0C . . . . . . 1.00 0.05 . . . . . .A Elements shown as balance shall be arithmetically computed by deducting the sum of the other named elements from 100.B Copper plus specified elements = 99.8 min; copper plus silver = 88.591.5.C Cobalt is to be counted as nickel.D Minimum content of cop
35、per plus all other elements with specified limits shall be 99.5 %.E An alloy containing as high as 2.6 % silicon is acceptable provided the sum of all the elements other than copper, silicon, and iron does not exceed 0.30 %.TABLE 1 ContinuedNickel and Nickel-Base AlloysUNSDesignationNumberAlloy Gene
36、ral NameAlu-mi-numCarbon,maxChro-mium CopperA Iron,maxManganese,max NickelAPhosphorus,maxSilicon,maxTita-niumCobalt,maxMolybde-numSulfur,max VanadiumTung-stenNio-biumN10001 335 Ni-Mo . . . 0.05 1.0 max . . . 4.06.01.0 balance 0.025 1.00 . . . 2.50 26.030.00.030 0.20.4. . . . . .N10276 276 Ni-Mo-Cr .
37、 . . 0.02 14.516.5. . . 4.07.01.00 balance 0.040 0.08 . . . 2.50 15.017.00.030 0.35 max 3.04.5. . .N04400 400 Ni-Cu Class A . . . 0.3 . . . balance 2.5 2.0 63.070.0. . . 0.5 . . . B . . . 0.024 . . . . . . . . .N04405 405 Ni-Cu Class B . . . 0.3 . . . balance 2.5 2.0 63.070.0. . . 0.5 . . . B . . .
38、0.0250.060. . . . . . . . .N05500 500 Ni-Cu-Al 2.303.150.25 . . . balance 2.0 1.5 63.070.0. 0.5 0.350.85B . . . 0.01 . . . . . . . . .N06059 59 Ni-Cr-Mo 0.10.40.010max22.024.00.5 max 1.5max0.5maxbalance 0.015max0.10max. . 0.3max15.016.50.010max. . . . . . . . .N06625 625C Ni-Cr-Mo-Cb 0.40max0.10 20.
39、023.0. . . 5.0max0.50 58.0min0.015 0.50max0.40max1.00max8.010.00.015 . . . . . . 3.24.2N06686 686 Ni-Cr-Mo-W . . . 0.010max19.023.0. . . 5.0max0.75maxbalance 0.04max0.08max0.020.2515.017.00.02max. . . 3.04.4. . .F468133TABLE 3.1.4 ContinuedTABLE 1 ContinuedNickel and Nickel-Base AlloysUNSDesignation
40、NumberAlloy General NameAlu-mi-numCarbon,maxChro-mium CopperA Iron,maxManganese,max NickelAPhosphorus,maxSilicon,maxTita-niumCobalt,maxMolybde-numSulfur,max VanadiumTung-stenNio-biumA Elements shown as balance shall be arithmetically computed by deducting the sum of the other named elements from 100
41、.B Cobalt is to be counted as nickel.C Alloy 625 material shall be refined using the electroslag remelting process (ESR), or the vacuum arc remelting process (VAR).Editorially corrected in January 2008.TABLE 1 ContinuedComposition, %Aluminum-Base AlloysAUNS Desig-nationNumberAlloy GeneralName Alumi-
42、numB Chro-mium Copper Iron, max Manganese,max Silicon,max Titanium,max Zinc,max Magne-siumOther Elements, maxEach TotalA92024 2024 Aluminum2024balance 0.10 max 3.84.9 0.50 0.300.9 0.50 0.15C 0.25 1.21.8 0.05 0.15A96061 6061 Aluminum6061balance 0.040.35 0.150.40 0.7 0.15 0.400.8 0.15 0.25 0.81.2 0.05
43、 0.15A97075 7075 Aluminum7075balance 0.180.35 1.22.0 0.50 0.30 0.40 0.20D 5.16.1 2.12.9 0.05 0.15A Analysis shall regularly be made only for the elements specified in this table. If, however, the presence of other elementsis suspected or indicated in amounts greater than the specified limits, furthe
44、r analysis shall be made to determine that these elements are not present in excess of the specified limits.B Elements shown as balance shall be arithmetically computed by deducting the sum of the other named elements from 100.C Titanium + zirconium 0.20 %, max.D Titanium + zirconium 0.25 %, max.TAB
45、LE 1 ContinuedTitanium and Titanium-Base AlloysAUNS Des-ignationNumberAlloy GeneralName Aluminum,Al Carbon,C Iron,Fe Titanium,Ti Hydrogen,H Nitrogen,N Oxygen,O Palladium,Pd Vanadium,V Chromium,Cr Molybdenum,Mo Zirconium,Zr Tin,Sn Silicon,Si Ruthenium,RuResidualsBeach,maxtotal,maxR50250 1 Titanium Gr
46、 1 . . . 0.10 0.20 balance 0.0125 0.05 0.18 . . . . . . . . . . . . . . . . . . . . . . . . 0.1 0.4R50400 2 Titanium Gr 2 . . . 0.10 0.30 balance 0.0125 0.05 0.25 . . . . . . . . . . . . . . . . . . . . . . . . 0.1 0.4R50700 4 Titanium Gr 4 . . . 0.10 0.50 balance 0.0125 0.07 0.40 . . . . . . . . .
47、. . . . . . . . . . . . . . . 0.1 0.4R56400 5C Titanium Gr 5C 5.56.750.10 0.40 balance 0.0125 0.05 0.20 . . . 3.54.5. . . . . . . . . . . . . . . . . . 0.1 0.4R56401 23 Titanium Ti-6Al-4VELI5.56.50.08 0.25 balance 0.0125 0.05 0.13 3.54.5. . . . . . . . . . . . . . . . . . 0.1 0.4R52400 7 Titanium Gr
48、 7 0.10 0.30 balance 0.0125 0.05 0.25 0.120.25. . . . . . . . . . . . . . . . . . 0.1 0.4R58640 19 Titanium Ti-38-6-44 3.04.00.05 0.30 balance 0.0200 0.03 0.12 0.10D 7.58.55.56.53.54.53.54.50.10D 0.15 0.4R55111 32 Titanium Ti-5-1-1-1 4.55.50.08 0.25 balance 0.0125 0.03 0.11 . . . 0.61.4. . . 0.61.20
49、.61.40.61.40.060.14. . . 0.1 0.4F468134A All reported values are maximums, unless a range is specified.B Aresidual is an element present in a metal or an alloy in small quantities inherent to the manufacturing process but not added intentionally. Residual elements need not be reported unless a report is specifically requiredby the purchaser.C Identical chemical requirements apply to both Class A and B as defined in Table 2 and 6.5.D Ruthenium and palladium, or both, may be added to G
