1、Designation: A679/A679M 06 (Reapproved 2012)A679/A679M 17Standard Specification forSteel Wire, High Tensile Strength, Cold Drawn1This standard is issued under the fixed designation A679/A679M; the number immediately following the designation indicates the yearof original adoption or, in the case of
2、revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers round, uncoated, high tensile strength, cold-drawn cold drawn steel s
3、pring wire, having propertiesand quality suitable for the manufacture of mechanical springs and wire forms subject to high static stresses or infrequent dynamicload, or both.1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in e
4、achsystem are not exact equivalents; therefore, each system mustshall be used independently of the other. Combining values from thetwo systems may result in non-conformance with the standard.1.3 This international standard was developed in accordance with internationally recognized principles on sta
5、ndardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanic
6、al Testing of Steel ProductsA510A510/A510M Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel, and AlloySteelA510M Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel (Metric) (Withdrawn2011)3A700 Guide for Packaging, Marking
7、, and Loading Methods for Steel Products for ShipmentA751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel ProductsA941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and FerroalloysE29 Practice for Using Significant Digits in Test Data to Determine Conformanc
8、e with Specifications2.2 ANSI Standard:3B32.4B32.100 Preferred Metric Sizes for Round, Square, Rectangle, and Hexagon Metal Products2.3 Federal Standard:4Fed. Std. No. 123 Marking for Shipment (Civil Agencies)2.4 AIAG Standard:6AIAGB-5 02.00 Primary Metals Identification Tag Application Standard3. T
9、erminology3.1 DefinitionsFor definitions of terms used in this specification, refer to Terminology A941.4. Ordering Information4.1 It shall be the responsibility of the purchaser to specify all requirements that are necessary for material under thisspecification. Such requirements may include, but a
10、re not limited to, the following:4.1.1 Quantity (mass),1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee A01.03on Steel Rod and Wire.Current edition approved March 1, 2012Sept. 1, 2017. Pub
11、lished March 2012September 2017. Originally approved in 1973. Last previous edition approved in 20062012as A679/A679M 06.A679/A679M 06 (2012). DOI: 10.1520/A0679_A0679M-06R12.10.1520/A0679_A0679M-17.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service
12、at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.4 Available from Standardization Documents Order Desk
13、, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098.This document is not an ASTM standard 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
14、 depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases 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 Intern
15、ational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.2 Name of material (steel wire, high tensile strength, hardcold drawn),4.1.3 Dimensions (Table 1 and Section 9),4.1.4 Packaging (Section 15),4.1.5 Heat analysis report, if requested (6.2),4.1.6 Certifica
16、tion or test report, or both, if specified (Section 14), and4.1.5 ASTM designation and year of issue.NOTE 1Atypical ordering description is as follows: 20 Mg high tensile strength, hard-drawn steel mechanical spring wire, 5.00-mm diameter, 500-kgcoils to ASTM A679/A679M dated _ , or for inch-pound u
17、nits, 40 000-lb high tensile strength, hard-drawn steel mechanical spring wire, 0.192-in.diameter, in 1000-lb coils to ASTM A679/A679M dated _ .4.2 The purchaser shall have the option to specify additional requirements, including but not limited to:4.2.1 Requirements for certifications, heat analysi
18、s or test reports (see Sections 6.2 and 14),4.2.2 Special packing, marking, and loading requirements (see Section 15), and4.2.3 Other special requirements, if any.4.2.4 For wire diameters over 5.00 mm 0.207 in. or smaller than 0.50 mm 0.020 in., mechanical properties and permissiblevariations in wir
19、e diameter shall be negotiated between purchaser and supplier and shall be included on the order information.NOTE 1Atypical ordering description is as follows: 20 Mg high tensile strength, cold drawn steel mechanical spring wire, 5.00-mm diameter, 500-kgcoils to ASTM A679/A679M dated _ , or for inch
20、-pound units, 40 000-lb high tensile strength, cold drawn steel mechanical spring wire, 0.192-in.diameter, in 1000-lb coils to ASTM A679/A679M dated _ .5. Materials and Manufacture5.1 The steel may be made by any commercially accepted steel making process. The steel may be either ingot cast or conti
21、nuousstrand cast. The steel-making process. The rod to be used in the manufacture of wire furnished to this specification shall be inaccordance with SpecificationsSpecification A510A510/A510M or A510M.5.2 The finished wire shall be free from detrimental pipe and undue segregation.5.3 The wire shall
22、be cold drawn to produce the desired mechanical properties.5.4 The wire finish shall be suitable for forming or coiling. It is not intended that this material be furnished with a metalliccoating.6. Chemical Composition6.1 The steel shall conform to the requirements for chemical composition prescribe
23、d in Table 2.TABLE 1 Tensile RequirementsSI Units Inch-Pound UnitsDiameter,mmA,BTensile Strength, MPa Diameter, in.A Tensile Strength, ksimin max min max0.50 2400 2650 0.020 350 3870.55 2380 2620 0.023 343 3800.60 2350 2600 0.026 337 3730.65 2320 2580 0.029 331 3660.70 2300 2550 0.032 327 3610.80 22
24、50 2500 0.035 322 3560.90 2200 2450 0.041 314 3471.00 2150 2400 0.048 306 3391.10 2120 2380 0.054 300 3311.20 2100 2350 0.062 293 3241.40 2050 2300 0.072 287 3171.60 2000 2250 0.080 282 3121.80 1980 2220 0.092 275 3042.00 1950 2200 0.106 268 2962.20 1900 2150 0.120 263 2902.50 1850 2100 0.135 258 28
25、52.80 1820 2050 0.148 253 2793.00 1800 2000 0.162 249 2753.50 1750 1950 0.177 245 2704.00 1700 1900 0.1927 241 2674.00 1700 1900 0.192 241 2674.50 1680 1880 0.207 238 2645.00 1650 1850A Tensile strength values for intermediate diameters shall be interpolated.B Preferred sizes. For a complete list, r
26、efer to ANSI B32.4B32.100.A679/A679M 1726.2 Heat AnalysisEach heat of steel shall be analyzed by the manufacturer to determine the percentage of elements prescribedin Table 2. This analysis shall be made from a test specimen preferably taken during the pouring of the heat. When requested, inthe purc
27、hase order, the heat analysis shall be reported to the purchaser.6.3 Product AnalysisAn analysis may be made by the purchaser from finished wire representing each heat of steel. Thechemical composition thus determined, as to elements required or restricted, shall conform to the product analysis requ
28、irementsspecified in Table 7 of SpecificationsSpecification A510A510/A510M or A510M.6.4 For referee purposes, Test Methods, Practices, and Terminology A751 shall be used.7. Mechanical Properties7.1 Tension Test:7.1.1 RequirementsThe material as represented by tension test specimens shall conform to
29、the requirements prescribed inTable 1.7.1.2 Number of TestsOne test specimen shall be taken for each 10 coils or fraction thereof, in a lot. Each heat in a given lotshall be tested.7.1.3 Test MethodThe tension test shall be made in accordance with Test Methods and Definitions A370.7.1.4 Location of
30、TestIt shall be permissible to take specimens from either end of the coil.7.2 Wrap Test:7.2.1 RequirementsThe material as represented by the wrap test specimens shall conform to the requirements specified inTable 3.7.2.2 Number of TestsOne test specimen shall be taken for each 10 coils, or fraction
31、thereof, in a lot. Each heat in a givenlot shall be tested.7.2.3 Location of TestTest specimens It shall be taken permissible to take test specimens from either end of the coil.7.2.4 Test MethodThe wrap test shall be made in accordance with Test Methods and Definitions A370.8. Metallurgical Requirem
32、ents8.1 MicrostructureThe wire shall be cold drawn with a fine pearlite structure.8.2 Surface ConditionsThe wire surface shall not exhibit imperfections that exceed 3.5 % of the wire diameter or 0.25 mm(0.010 in.) in depth, whichever is smaller.9. Dimensions and Permissible Variations9.1 The permiss
33、ible variations in the diameter of the wire shall be as specified in Table 4.TABLE 2 Chemical RequirementsElement Composition, %Carbon 0.651.00AManganese 0.201.30BPhosphorus, max 0.040Sulfur, max 0.050Silicon 0.150.35A Carbon in any one lot shall not vary more than 0.13 %.B Manganese in any one lot
34、shall not vary more than 0.30 %.TABLE 3 Wrap Test RequirementsASI UnitsDiameter, mm Mandrel SizeOver 0.50 to 3.00, inclOver 3.00 to 5.00, incl240.50 to 4.00, inclOver 4.00 to 5.00, incl24Inch-Pound UnitsDiameter, in. Mandrel Size0.020 to 0.162, inclOver 0.162 to 0.207, incl24A The symbol “X” represe
35、nts the diameter of the wire tested.A679/A679M 17310. Workmanship, Finish, and Appearance10.1 WorkmanshipThe wire shall not be kinked or improperly cast. To test for cast, one convolution of wire shall be cut fromthe coil and placed on a flat surface. The wire shall not spring up excessively nor sho
36、w a wavy condition.10.1.1 Each coil shall be one continuous length of wire, properly coiled and firmly tied. Welds made prior to cold drawing arepermitted.10.2 AppearanceThe surface shall be smooth and free of rust with no imperfections such as pits or die marks that tend toimpair the use of the wir
37、e for springs. Any other surface requirements shall be negotiated at the time of entry of the order.11. Retests11.1 If any test specimen exhibits obvious imperfections or shows the presence of a weld, it may be discarded and anotherspecimen substituted.12. Inspection12.1 Unless otherwise specified i
38、n the contract or purchase order, the manufacturer is responsible for the performance of allinspection and test requirements specified in this specification. Except as otherwise specified in the contract or purchase order, themanufacturer may use his own or any other suitable facilities for the perf
39、ormance of the inspection and test requirements unlessdisapproved by the purchaser at the time the order is placed. The purchaser shall have the right to perform any of the inspectionsand tests set forth in this specification when such inspections and tests are deemed necessary to assure that the ma
40、terial conformsto prescribed requirements.13. Rejection and Rehearing13.1 Unless otherwise specified, any rejection based on tests made in accordance with these specifications shall be reported tothe manufacturer as soon as possible so that an investigation may be initiated.13.2 The material shall b
41、e adequately protected and correctly identified in order that the manufacturer is able to make a properinvestigation.14. Certification14.1 When specified in the purchase order or contract, a producers or suppliers certification shall be furnished to the purchaserthat the material was manufactured, s
42、ampled, tested, and inspected in accordance with this specification and has been found to meetthe requirements. When specified in the purchase order or contract, a report of the test results shall be furnished.14.2 The certification shall include the specification number, year of issue, and revision
43、 letter, if any.15. Marking for Shipment15.1 The coil mass, dimensions, and the method of packaging shall be agreed upon between the manufacturer and purchaser.15.2 A tag shall be securely attached to each coil of wire with identifying information as agreed upon by the purchaser andmanufacturer.TABL
44、E 4 Permissible Variations in Wire DiameterASI UnitsDiameter, mmPermissibleVariations,mmPermissibleOut-of-Round,mmTo 0.70, incl 0.02 0.020.50 to 0.70, incl 0.02 0.02Over 0.70 to 2.00, incl 0.03 0.03Over 2.00 to 5.00, incl 0.05 0.05Inch-Pound UnitsDiameter, in.PermissibleVariations,in.PermissibleOut-
45、of-Round,in.0.020 to 0.028, incl 0.0008 0.0008Over 0.028 to 0.075, incl 0.001 0.001Over 0.075 to 0.207, incl 0.002 0.002A For purposes of determining conformance with this specification, all specifiedlimits are absolute as defined in Practice E29.A679/A679M 17415.3 Unless otherwise specified in the
46、purchasers order, packaging, marking, and loading for shipments shall be in accordancewith those procedures recommended by Practices A700.15.4 Marking for shipment of material for civil agencies shall be in accordance with Fed. Std. No. 123.15.5 Bar CodingIn addition to the previously-stated identif
47、ication requirements, bar coding is acceptable as a supplementaryidentification method. Bar coding should be consistent with AIAG Standard 02.00. The bar code may be applied to a substantiallyaffixed tag.16. Keywords16.1 hardcold drawn; high tensile; wireSUMMARY OF CHANGESCommittee A01 has identifie
48、d the location of selected changes to this standard since the last issue, issue(A679/A679M 00A679/A679M 06 (2012),) that may impact the use of this standard. (Approved May 1,2006.)Sept. 1, 2017.)(1) In 2.4, removed the referenced document referring to MIL-STD-163. This standard is obsolete and all r
49、eferences wereremoved.Revised 1.2.(2) InReplaced 15.4, removed the first sentence referring to MIL-STD-163.references to now-combined Specifications A510 andA510M with Specification A510/A510M throughout.(3) InRemoved 6.3, change the table reference from Table 10 to Table 7.previous Footnote 3 (which referred to SpecificationA510M) and renumbered subsequent footnotes accordingly.(4) Added summary of changes section.Replaced references to ANSI B32.4 with ANSI B32.100 throughout.(5) Removed references to AIAG B-5 throughout
