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    ASTM A586-2018 Standard Specification for Metallic-Coated Parallel and Helical Steel Wire Structural Strand.pdf

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    ASTM A586-2018 Standard Specification for Metallic-Coated Parallel and Helical Steel Wire Structural Strand.pdf

    1、Designation: A586 04a (Reapproved 2014)A586 18Standard Specification forZinc-CoatedMetallic-Coated Parallel and Helical Steel WireStructural Strand1This standard is issued under the fixed designation A586; the number immediately following the designation indicates the year oforiginal adoption or, in

    2、 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.These tes

    3、t methods have been approved for use by agencies of the Department of Defense to replace Method 1013 of Federal TestMethod Standard 406.1. Scope1.1 This specification covers zinc-coatedmetallic-coated steel wire structural strand, for use where a high-strength, high-modulus, multiple-wire tension me

    4、mber is desired as a component part of a structure. The strand is available with parallel or helicalwire construction.1.1.1 The strand is available with several zincmetallic coating classes and with two strength grades, as described in Section 4.1.2 The strand is furnished with Class A weight zinc-c

    5、oated zinc or zinc-aluminum alloy-coated wires throughout. It can befurnished with Class B weight or Class C weight zinc-coated outer wires where additional corrosion protection is required. as anoption.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in par

    6、entheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Developme

    7、nt of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A90/A90M Test Method for Weight Mass of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy CoatingsA902 Termi

    8、nology Relating to Metallic Coated Steel ProductsB6 Specification for ZincB750 Specification for GALFAN (Zinc-5 % Aluminum-Mischmetal) in Ingot Form for Hot-Dip CoatingsB997 Specification for Zinc-Aluminum Alloys in Ingot Form for Hot-Dip Coatings3. Terminology3.1 See Terminology A902 for definition

    9、 of terms related to metallic-coated steel wire and strand.3.2 Definitions of Terms Specific to This Standard:3.2.1 outer wires (of strand), nthose wires in the one outer-most layer of the wires composing the strand.4. Classification4.1 The wire strand is classified as follows.4.1.1 Breaking Strengt

    10、h is expressed as Grade 1 or Grade 2 for strand having a Class A zinc or zinc-aluminum alloy coatingon the outer wires of the strand. Strand with heavier Class B or Class C zinc coating on the outer wires is available in only onegrade.1 This specification is under the jurisdiction ofASTM Committee A

    11、05 on Metallic-Coated Iron and Steel Productsand is the direct responsibility of Subcommittee A05.12on Wire Specifications.Current edition approved Aug. 1, 2014Nov. 1, 2018. Published August 2014December 2018. Originally approved in 1968. Last previous edition approved in 20092014as A586 04a (2009)(

    12、2014).1. DOI: 10.1520/A0586-04AR14.10.1520/A0586-18.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standardsstandards Document Summary page on the ASTM website.

    13、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 depict all changes accurately, ASTM recommends that users consult prior edi

    14、tions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.2 Coating Weight is expressed as Class A, Cl

    15、ass B, or Class C, based on the weight of coating on the outer wires in thestrand.All inner wires have a ClassAcoating. Zinc (Z) or zinc-aluminum (ZA) must be specified when referencing ClassAcoating.5. Ordering Information5.1 Orders for material under this specification shall include the following

    16、information:5.1.1 Description of the product, as helical steel wire strand or parallel steel wire strand,5.1.2 Length of strand,5.1.3 Nominal diameter of strand (Table 1 and Table 2),5.1.4 Coating type: zinc (Z) to zinc-aluminum (ZA),5.1.5 Coating class for outer wires (Table 3),5.1.6 Grade, for str

    17、and with Class A coating on outer wires,5.1.7 For helical strand, whether prestretched or nonprestretched,TABLE 1 Properties of Zinc-CoatedMetallic-Coated Steel Structural StrandNominalDiameter, in.Minimum Breaking Strength in Tons of 2000 lbApproxGrossMetallicArea, in.2ApproxWeight,lb/ftGrade 1 Gra

    18、de 2Class ACoatingThroughoutClass ACoatingInnerWires,Class BCoatingOuterWiresClass ACoatingInnerWires,Class CCoatingOuterWiresClass ACoatingThroughout12 15.0 14.5 14.2 17.3 0.15 0.52916 19.0 18.4 18.0 21.9 0.19 0.6658 24.0 23.3 22.8 27.6 0.23 0.821116 29.0 28.1 27.5 33.4 0.28 0.9934 34.0 33.0 32.3 3

    19、9.1 0.34 1.21316 40.0 38.8 38.0 46.0 0.40 1.478 46.0 44.6 43.7 52.9 0.46 1.61516 54.0 52.4 51.3 62.1 0.53 1.91 61.0 59.2 57.9 70.2 0.60 2.11116 69.0 66.9 65.5 79.4 0.68 2.4118 78.0 75.7 74.1 89.7 0.76 2.71316 86.0 83.4 81.7 98.9 0.85 3.0114 96.0 94.1 92.2 110 0.94 3.31516 106 104 102 122 1.0 3.6138

    20、116 114 111 133 1.1 4.01716 126 123 121 145 1.2 4.3112 138 135 132 159 1.4 4.71916 150 147 144 173 1.5 5.1158 162 159 155 186 1.6 5.611116 176 172 169 202 1.7 6.0134 188 184 180 216 1.8 6.411316 202 198 194 232 2.0 6.9178 216 212 207 248 2.1 7.411516 230 226 221 265 2.3 7.92 245 241 238 282 2.4 8.42

    21、116 261 257 253 300 2.6 8.9218 277 273 269 319 2.7 9.52316 293 289 284 337 2.9 10214 310 305 301 357 3.0 112516 327 322 317 376 3.2 11238 344 339 334 396 3.4 122716 360 355 349 414 3.6 12212 376 370 365 432 3.8 132916 392 386 380 451 3.9 14258 417 411 404 480 4.1 1421116 432 425 419 497 4.3 15234 45

    22、2 445 438 520 4.5 16278 494 486 479 568 5.0 173 538 530 522 619 5.4 19318 584 575 566 672 5.9 21314 625 616 606 719 6.3 22338 673 663 653 774 6.8 24312 724 714 702 833 7.4 26358 768 757 745 883 7.9 28334 822 810 797 945 8.4 30378 878 865 852 1010 9.0 324 925 911 897 1060 9.6 34A586 1825.1.8 Mechanic

    23、al tests if required (see 9.5 and 11.1),5.1.9 Special packaging requirements (14.1),5.1.10 Inspection (12.1 and 13.1), and5.1.11 ASTM Designation and year of issue, as ASTM A586 .NOTE 1Atypical ordering description is as follows: 2500 ft, 1 in., galvanized helical strand, ClassAzinc coating, Grade 1

    24、, on wooden reels, toASTMSpecification A586 .6. Material6.1 Base MetalThe base metal shall be carbon steel made by the open-hearth, basic-oxygen, or electric-furnace process andof such quality that the finished strand and the hard-drawn individual zinc-coatedmetallic-coated wires coated by the hot-d

    25、ip orelectrolytic process shall have the properties and characteristics as prescribed in this specification.TABLE 2 Properties of Zinc-CoatedMetallic-Coated Steel Structural StrandNominalDiameter,mmApproximate Minimum Breaking Strength in KilonewtonsApproxGrossMetallicArea,mm2ApproxWeight,kg/mGrade

    26、1 Grade 2Class ACoatingThroughoutClass ACoatingInnerWires,Class BCoatingOuterWiresClass ACoatingInnerWires,Class CCoatingOuterWiresClass ACoatingThroughout12.7 133 129 126 153 97 0.7714.3 169 164 160 194 120 0.9815.9 214 207 203 246 150 1.217.5 258 250 245 297 180 1.519.1 302 294 287 348 220 1.820.6

    27、 356 345 338 409 260 2.122.2 409 397 389 471 300 2.423.8 480 466 456 552 340 2.825.4 543 527 515 624 390 3.127.0 614 595 583 706 440 3.528.6 694 673 659 798 490 4.030.2 765 742 727 880 550 4.431.8 854 837 820 979 610 4.933.3 943 925 907 1090 660 5.434.9 1030 1010 988 1180 730 5.936.5 1120 1090 1080

    28、1290 800 6.538.1 1230 1200 1170 1410 870 7.039.7 1330 1310 1280 1540 950 7.641.3 1440 1410 1380 1650 1000 8.342.9 1570 1530 1500 1800 1100 8.944.5 1670 1640 1600 1920 1200 9.646.0 1800 1760 1730 2060 1300 1047.6 1920 1890 1840 2210 1400 1149.2 2050 2010 1970 2360 1500 1250.8 2180 2140 2120 2510 1500

    29、 1352.4 2320 2290 2250 2670 1600 1354.0 2460 2430 2390 2840 1700 1455.6 2610 2570 2530 3000 1900 1557.2 2760 2710 2680 3180 2000 1658.7 2910 2860 2820 3350 2100 1760.3 3060 3020 2970 3520 2200 1861.9 3200 3160 3100 3680 2300 1963.5 3350 3290 3250 3840 2400 2065.1 3490 3430 3380 4010 2500 2166.7 3710

    30、 3660 3590 4270 2700 2268.3 3840 3780 3730 4420 2800 2369.9 4020 3960 3900 4630 2900 2473.0 4390 4320 4260 5050 3200 2676.2 4790 4720 4640 5510 3500 2879.4 5200 5120 5040 5980 3800 3182.6 5560 5480 5390 6400 4100 3385.7 5990 5900 5810 6890 4400 3688.9 6440 6350 6250 7410 4700 3892.1 6830 6730 6630 7

    31、860 5100 4195.3 7310 7210 7090 8410 5400 4498.4 7810 7700 7580 8990 5800 47102 8230 8100 7980 9430 6200 50A586 1836.2 ZincThe slab zinc when used shall conform to Specification B6.6.3 Zinc-Aluminum AlloyThe slab of zinc-aluminum alloy when used shall conform to Specification B750 or B997 at thediscr

    32、etion of the manufacturer.7. Physical Requirements for Wire7.1 Tensile Properties:7.1.1 The zinc-coatedmetallic-coated wire used in the parallel wire strand shall, prior to fabrication, conform to the mechanicalproperties in Table 4. In this case the prestretching provision of the test sample of 7.1

    33、.2 is not permitted.7.1.2 The zinc-coatedmetallic-coated wire used in the helical wire strand shall conform to the mechanical properties in Table4 prior to fabrication. The wire test sample shall be prestretched, at the manufacturers option to 55 % of the minimum tensilestrength specified in Table 4

    34、 prior to conducting the tests.7.1.3 The tensile strength and the stress at 0.7 % extension shall be based on the actual cross-sectional area of the finished wire,including the zincmetallic coating.7.1.4 Test SpecimensThe test specimens shall be free of bends or kinks other than the curvature result

    35、ing from the usualcoiling operation. The hand straightening necessary to permit insertion of the specimen in the jaws of the testing machine shallbe performed by drawing between wood blocks or by some other equally satisfactory means.7.2 Stress at 0.7 % Extension Under LoadThe value of stress at 0.7

    36、 % extension under load shall be determined by one of thefollowing procedures, depending on the type of extensometer used:7.2.1 Non-Autographic ExtensometerWhen a non-autographic extensometer is used to measure the 0.7 % extension, it shallhave a gage length of 10 in. (254 mm), and it shall be so gr

    37、aduated that the smallest division corresponds to a strain not largerthan 0.0001 in./in. (0.0001 mm/mm) of gage length. Apply a load corresponding to the tensile stress indicated in Table 5, usingthe nominal diameter of the specimen. Maintain this load while a 10-in. extensometer is attached and adj

    38、usted to the initial settingshown in Table 5. Then increase the load uniformly until the extensometer indicates an extension of 0.07 in. (1.78 mm) or 0.7 %extension. Record the load for this extension. The stress corresponding to this load shall meet the requirements for the stress of0.7 % extension

    39、 specified in Table 4, depending on the class of coating under consideration. Hold the specimen at 0.7 % extensionunder load and remove the extensometer used to measure the stress at 0.7 % extension; then replace it with an elongationextensometer. Continue the application of load until fracture occu

    40、rs. Record the elongation attained from the elongationextensometer and add to it 0.7 % obtained from the stress at 0.7 % extensometer to get the total elongation.TABLE 3 Minimum Weight of CoatingNominal Diameter of Coated Wire Weight of ZincMetallic Coating, minoz/ft2 of Uncoated Wire Surface g/m2 o

    41、f Uncoated Wire Surfacein. mm Class ACoating(Z or ZA)Class BCoating(Z only)Class CCoating(Z only)Class ACoating(Z or ZA)Class BCoating(Z only)Class CCoating(Z only)0.040 to 0.061, incl 1.016 to 1.549, incl 0.40 0.80 1.20 122 244 3660.062 to 0.079, incl 1.575 to 2.007, incl 0.50 1.00 1.50 153 305 458

    42、0.080 to 0.092, incl 2.032 to 2.337, incl 0.60 1.20 1.80 183 366 5490.093 to 0.103, incl 2.362 to 2.616, incl 0.70 1.40 2.10 214 427 6410.104 to 0.119, incl 2.642 to 3.023, incl 0.80 1.60 2.40 244 488 7320.120 to 0.142, incl 3.048 to 3.607, incl 0.85 1.70 2.55 259 519 7780.143 to 0.187, incl 3.632 t

    43、o 4.750, incl 0.90 1.80 2.70 275 549 8240.188 and largerA 4.775 and largerA 1.00 2.00 3.00 305 610 915A This is not to imply that larger wire will be manufactured to any unlimited diameter. It only implies that the wire sizes chosen by the strand manufacturer must meet therequirements of this specif

    44、ication.TABLE 4 Mechanical RequirementsZincMetallicCoatingClassNominal DiameterStress at 0.7 %ExtensionUnder Load, minminTensile Strength, minTotal Elonga-Elongationtion in 10 in. or250 mm,min,min,%in. mm psi MPa psi MPaA (Z or ZA) 0.040 to 0.110 1.016 to 2.794 150 000 1030 220 000 1520 2.00.111 and

    45、 largerA 2.820 and largerA 160 000 1100 220 000 1520 4.0B (Z only) 0.090 and largerA 2.286 and largerA 150 000 1030 210 000 1450 4.0C (Z only) 0.090 and largerA 2.286 and largerA 140 000 970 200 000 1380 4.0A This is not to imply that larger wire will be manufactured to any unlimited diameter. It on

    46、ly implies that the wire sizes chosen by the strand manufacturer must meet therequirements of this specification.A586 1847.2.2 Autographic ExtensometerWhen an autographic extensometer is used, it shall have a gage length of at least 2 in. (50.8mm) and the magnification of strain shall not be less th

    47、an 250. Apply a load, corresponding to the tensile stress indicated in Table5, using the nominal diameter of the specimen. Maintain this load and attach the extensometer. Then increase the load uniformlyuntil the extension recorded by the extensometer is at least 0.7 %. Determine the load at 0.7 % e

    48、xtension from the load-strain curve.The stress corresponding to this load shall meet the requirements for stress at 0.7 % extension prescribed in Table 4, dependingon the class of coating under consideration. Hold the specimen at 0.7 % extension under load and remove the extensometer usedto measure

    49、the stress at 0.7 % extension; then replace it with an elongation extensometer. Continue the application of load untilfracture occurs. Record the elongation attained from the elongation extensometer and add to it 0.7 % obtained from the stress at0.7 % extensometer to get the total elongation.NOTE 2The extensometer used for the stress at 0.7 % extension and the elongation extensometer may be the same instrument. Two separateinstruments are advisable since the more sensitive stress at 0.7 % extensometer that could be


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