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    ASTM A603-1998(2009)e1 Standard Specification for Zinc-Coated Steel Structural Wire Rope《镀锌结构钢绞线的标准规范》.pdf

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    ASTM A603-1998(2009)e1 Standard Specification for Zinc-Coated Steel Structural Wire Rope《镀锌结构钢绞线的标准规范》.pdf

    1、Designation: A 603 98 (Reapproved 2009)1Standard Specification forZinc-Coated Steel Structural Wire Rope1This standard is issued under the fixed designation A 603; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last re

    2、vision. 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 Department of Defense.1NOTEReapproved with editorial changes in May 2009.1. Sc

    3、ope1.1 This specification covers zinc-coated steel structuralwire rope, prestretched or nonprestretched for use where ahigh-strength, relatively flexible prefabricated zinc-coatedmultiple-wire tension member is desired as a component partof a structure.1.2 The wire rope is furnished with Class A wei

    4、ght zinc-coated wires throughout. It can be furnished with Class Bweight or Class C weight zinc-coated outer wires or Class Bweight or Class C weight zinc-coated wires throughout whereadditional corrosion protection is required.1.3 The values stated in inch-pound units are to be regardedas standard.

    5、 The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A 90/A 90M Test Method for Weight Mass of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA 902

    6、Terminology Relating to Metallic Coated Steel Prod-uctsB6 Specification for Zinc3. Terminology3.1 DefinitionsFor definitions of terms used in this speci-fication, see Terminology A 902.4. Ordering Information4.1 Orders for material under this specification shall includethe following information:4.1.

    7、1 Length of wire rope,4.1.2 Nominal diameter of wire rope (Tables 1-4),4.1.3 Prestretched (see 8.3) or nonprestretched,4.1.4 Coating-weight class if other than Class A (Table 5),4.1.5 Mechanical tests if required (see 10.1),4.1.6 Special packaging requirements (Section 13), and4.1.7 Inspection (Sect

    8、ion 12).5. Materials and Manufacture5.1 Base MetalThe base metal shall be carbon steel madeby the open-hearth, basic-oxygen, or electric-furnace processand of such quality that the finished wire rope and thehard-drawn individual zinc-coated wires coated by the hot-dipor electrolytic process shall ha

    9、ve the properties and character-istics as prescribed in this specification.5.2 ZincThe slab zinc when used shall conform to Speci-fication B6or better.6. Physical Properties6.1 Tensile Properties:6.1.1 The zinc-coated wire used in the wire rope shallconform to the mechanical properties in Table 6 pr

    10、ior tofabrication, but the wire test sample may be prestretched to55 % of the minimum tensile strength specified in Table 6 priorto conducting the tests.6.1.2 The tensile strength and the stress at 0.7 % extensionshall be based on the actual cross-sectional area of the finishedwire, including the zi

    11、nc coating.6.1.3 Test SpecimensThe test specimens shall be free ofbends or kinks other than the curvature resulting from the usualcoiling operation. The hand straightening necessary to permitinsertion of the specimen in the jaws of the testing machineshall be performed by drawing between wood blocks

    12、 or bysome other equally satisfactory means.6.2 Stress at 0.7 % Extension Under LoadThe value ofstress at 0.7 % extension under load shall be determined by oneof the following procedures, depending on the type of exten-someter used:6.2.1 Non-Autographic ExtensometerWhen a non-autographic extensomete

    13、r is used to measure the 0.7 % exten-sion, it shall have a gage length of 10 in. (254 mm), and it shallbe so graduated that the smallest division corresponds to a1This specification is under the jurisdiction of ASTM Committee A05 onMetallic-Coated Iron and Steel Products and is the direct responsibi

    14、lity ofSubcommittee A05.12 on Wire Specifications.Current edition approved May 1, 2009. Published August 2009. Originallyapproved in 1970. Last previous edition approved in 2003 as A 603 98(2003).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at

    15、 serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.TABLE 1 Properties of Single-Class Zinc-Coated Ste

    16、el Structural Wire Rope (Inch-Pound Units)Nominal Diameter, in.Minimum Breaking Strength in Tons of 2000 lbApproximate GrossMetallic Area, in.2ApproximateWeight/ft, lbClass A CoatingThroughoutClass B CoatingThroughoutClass C CoatingThroughout3/8 6.5 6.2 5.9 0.065 0.247/16 8.8 8.4 8.0 0.091 0.321/2 1

    17、1.5 11.0 10.5 0.119 0.429/16 14.5 13.8 13.2 0.147 0.535/8 18.0 17.2 16.4 0.182 0.6511/16 21.5 20.5 19.5 0.221 0.793/4 26.0 24.8 23.6 0.268 0.9513/16 30.0 28.6 27.3 0.311 1.107/8 35.0 33.4 31.8 0.361 1.2815/16 40.0 38.2 36.4 0.414 1.471 45.7 43.6 41.5 0.471 1.6711/8 57.8 55.1 52.5 0.596 2.1111/4 72.2

    18、 68.9 65.6 0.745 2.6413/8 87.8 83.8 79.8 0.906 3.2111/2 104.0 99.2 94.5 1.076 3.8215/8 123.0 117.0 112.0 1.270 4.5113/4 143.0 136.0 130.0 1.470 5.2417/8 164.0 156.0 149.0 1.690 6.032 186.0 177.0 169.0 1.920 6.8521/8 210.0 200.0 191.0 2.170 7.7321/4 235.0 224.0 214.0 2.420 8.6623/8 261.0 249.0 237.0

    19、2.690 9.6121/2 288.0 275.0 262.0 2.970 10.6025/8 317.0 302.0 288.0 3.270 11.6223/4 347.0 331.0 315.0 3.580 12.7427/8 379.0 362.0 344.0 3.910 13.903 412.0 393.0 374.0 4.250 15.1131/4 475.0 453.0 432.0 5.040 18.0031/2 555.0 529.0 504.0 5.830 21.0033/4 640.0 611.0 582.0 6.670 24.004 730.0 696.0 664.0 7

    20、.590 27.00TABLE 2 Properties of Single-Class Zinc-Coated Steel Structural Wire Rope (SI Units)Nominal Diameter, mmMinimum Breaking Strength in Metric TonsApproximate GrossMetallic Area, mm2ApproximateWeight/m, kgClass A CoatingThroughoutClass B CoatingThroughoutClass C CoatingThroughout9.53 5.9 5.6

    21、5.4 41.9 0.3611.11 8.0 7.6 7.3 58.7 0.4812.70 10.4 10.0 9.5 76.8 0.6214.29 13.2 12.5 12.0 94.8 0.7915.88 16.3 15.6 14.9 117.4 0.9717.46 19.5 18.6 17.7 142.6 1.1819.05 23.6 22.5 21.4 172.9 1.4120.64 27.2 25.9 24.8 200.7 1.6422.23 31.8 30.3 28.8 232.9 1.9023.81 36.3 34.7 33.0 267.1 2.1925.40 41.5 39.6

    22、 37.6 303.9 2.4828.58 52.4 50.0 47.6 384.5 3.1431.75 65.5 62.5 59.5 480.7 3.9334.93 79.7 76.0 72.4 584.6 4.7838.10 94.3 90.0 85.7 694.2 5.6841.28 112.0 106.0 101.0 819.4 6.7144.45 130.0 124.0 118.0 948.4 7.8047.63 149.0 142.0 135.0 1090.4 8.9750.80 169.0 161.0 153.0 1238.8 10.1953.98 190.0 182.0 173

    23、.0 1400.1 11.5057.15 213.0 203.0 194.0 1561.4 12.8960.33 237.0 226.0 215.0 1735.6 14.3063.50 261.0 249.0 238.0 1916.2 15.7766.68 288.0 274.0 261.0 2109.8 17.2969.85 315.0 300.0 286.0 2309.8 18.9673.03 344.0 328.0 312.0 2522.7 20.6876.20 374.0 356.0 340.0 2742.1 22.4882.55 431.0 411.0 392.0 3251.8 26

    24、.7888.90 504.0 480.0 458.0 3761.5 31.2595.25 581.0 554.0 528.0 4303.5 35.71101.60 662.0 632.0 602.0 4897.1 40.18A 603 98 (2009)12strain not larger than 0.0001 in./in. (0.0001 mm/mm) of gagelength. Apply a load corresponding to the tensile stressindicated in Table 5, using the nominal diameter of the

    25、specimen. Maintain this load while a 10-in. extensometer isattached and adjusted to the initial setting shown in Table 5.Then increase the load uniformly until the extensometerindicates an extension of 0.07 in. (1.78 mm) or 0.7 % exten-sion. Record the load for this extension. The stress correspond-

    26、ing to this load shall meet the requirements for the stress of0.7 % extension specified in Table 6, depending on the class ofcoating under consideration. Hold the specimen at 0.7 %extension under load and remove the extensometer used tomeasure the stress at 0.7 % extension; then replace it with anel

    27、ongation extensometer. Continue the application of load untilfracture occurs. Record the elongation attained from theelongation extensometer and add to it 0.7 % obtained from thestress at 0.7 % extensometer to get the total elongation.6.2.2 Autographic ExtensometerWhen an autographic ex-tensometer i

    28、s used, it shall have a gage length of at least 2 in.(50.8 mm) and the magnification of strain shall not be less than250. Apply a load, corresponding to the tensile stress indicatedin Table 5, using the nominal diameter of the specimen.Maintain this load and attach the extensometer. Then increasethe

    29、 load uniformly until the extension recorded by the exten-someter is at least 0.7 %. Determine the load at 0.7 % exten-sion from the load-strain curve. The stress corresponding tothis load shall meet the requirements for stress at 0.7 %extension prescribed in Table 6, depending on the class ofcoatin

    30、g under consideration. Hold the specimen at 0.7 %extension under load and remove the extensometer used tomeasure the stress at 0.7 % extension; then replace it with anelongation extensometer. Continue the application of load untilfracture occurs. Record the elongation attained from theelongation ext

    31、ensometer and add to it 0.7 % obtained from thestress at 0.7 % extensometer to get the total elongation.NOTE 1The extensometer used for the stress at 0.7 % extension andthe elongation extensometer may be the same instrument. Two separateinstruments are advisable in that the more sensitive stress at

    32、0.7 %extensometer which could be damaged when the wire fractures, may beremoved following the determination of the 0.7 % extension. The elon-gation extensometer may be constructed with less sensitive parts or beconstructed in such a way that little damage would result if fracture occurswhile the ext

    33、ensometer is attached to the specimen.6.3 ElongationIn determining total elongation (elasticplus plastic extension) autographic or extensometer methodsmay be employed. If fracture takes place outside the middlethird of the gage length, the elongation value obtained may notbe representative of the ma

    34、terial.6.4 Tensile StrengthThe tensile strength is determinedfrom the maximum load during the total elongation test.6.5 Ductility of SteelThe zinc-coated wire, prior to fabri-cation into wire rope, shall be capable of being wrapped twoturns in a close helix at a rate not exceeding 15 turns/minaround

    35、 a cylindrical steel mandrel equal to three times thenominal diameter of the wire under test without fracture of thewire.TABLE 3 Properties of Multi-Class Zinc-Coated Steel Structural Wire Rope (Inch-Pound Units)Nominal Diameter, in.Minimum Breaking Strength in Tons of 2000 lbApproximate GrossMetall

    36、ic Area, in.2ApproximateWeight/ft, lbClass A CoatingThroughoutClass B CoatingOuter WiresClass A CoatingInner WireClass C CoatingOuter WiresClass A CoatingInner Wires3/8 6.5 6.3 6.1 0.065 0.247/16 8.8 8.5 8.2 0.091 0.321/2 11.5 11.1 10.7 0.119 0.429/16 14.5 14.0 13.5 0.147 0.535/8 18.0 17.4 16.8 0.18

    37、2 0.6511/16 21.5 20.8 20.0 0.221 0.793/4 26.0 25.1 24.2 0.268 0.9513/16 30.0 29.0 28.0 0.311 1.107/8 35.0 33.8 32.6 0.361 1.2815/16 40.0 38.6 37.3 0.414 1.471 45.7 44.1 42.6 0.471 1.6711/8 57.8 55.8 53.9 0.596 2.1111/4 72.2 69.7 67.3 0.745 2.6413/8 87.8 84.8 81.8 0.906 3.2111/2 104.0 100.0 96.9 1.07

    38、6 3.8215/8 123.0 120.0 117.0 1.270 4.5113/4 143.0 140.0 136.0 1.470 5.2417/8 164.0 160.0 156.0 1.690 6.032 186.0 182.0 177.0 1.920 6.8521/8 210.0 205.0 200.0 2.170 7.7321/4 235.0 230.0 224.0 2.420 8.6623/8 261.0 255.0 249.0 2.690 9.6121/2 288.0 281.0 275.0 2.970 10.6025/8 317.0 310.0 302.0 3.270 11.

    39、6223/4 347.0 339.0 331.0 3.580 12.7427/8 379.0 372.0 365.0 3.910 13.903 412.0 405.0 397.0 4.250 15.1131/4 475.0 466.0 457.0 5.040 18.0031/2 555.0 545.0 534.0 5.830 21.0033/4 640.0 628.0 616.0 6.670 24.004 730.0 717.0 703.0 7.590 27.00A 603 98 (2009)136.6 Weight of Zinc CoatingThe weight of the zinc

    40、coatingon the individual wires prior to the fabrication of the wire ropeshall be not less than that specified in Table 7 when tested inaccordance with the stripping test of Test MethodA 90/A 90M.6.7 Adherence of CoatingThe zinc-coated wire, prior tofabrication into wire rope, shall be capable of bei

    41、ng wrappedtwo turns in a close helix at a rate not exceeding 15 turns/minaround a cylindrical steel mandrel equal to five times thenominal diameter of the wire under test without cracking orflaking the zinc coating to such an extent that any zinc can beremoved by rubbing with the bare fingers. Loose

    42、ning ordetachment during the adherence test of superficial smallparticles of zinc, formed by mechanical polishing of thesurface of zinc-coated wire, shall not be considered cause forrejection.6.8 FinishThe zinc-coated wire surface shall be free ofimperfections not consistent with good commercial pra

    43、ctice.The coating shall be continuous and reasonably uniform.TABLE 4 Properties of Multi-Class Zinc-Coated Steel Structural Wire Rope (SI Units)Nominal Diameter, mmMinimum Breaking Strength in Metric TonsApproximate GrossMetallic Area, mm2ApproximateWeight/m, kgClass A CoatingThroughoutClass B Coati

    44、ngOuter WiresClass A CoatingInner WiresClass C CoatingOuter WiresClass A CoatingInner Wire9.53 5.9 5.7 5.5 41.9 0.3611.11 8.0 7.7 7.4 58.7 0.4812.70 10.4 10.1 9.7 76.8 0.6214.29 13.2 12.7 12.2 94.8 0.7915.88 16.3 15.8 15.2 117.4 0.9717.46 19.5 18.9 18.1 142.6 1.1819.05 23.6 22.8 22.0 172.9 1.4120.64

    45、 27.2 26.3 25.4 200.7 1.6422.23 31.8 30.7 29.6 232.9 1.9023.81 36.3 35.0 33.8 267.1 2.1925.40 41.5 40.0 38.6 303.9 2.4828.58 52.4 50.6 48.9 384.5 3.1431.75 65.5 63.2 61.1 480.7 3.9334.93 79.7 76.9 74.2 584.6 4.7838.10 94.3 91.2 87.9 694.2 5.6841.28 112.0 109.0 106.0 819.4 6.7144.45 130.0 127.0 124.0

    46、 948.4 7.8047.63 149.0 145.0 142.0 1090.4 8.9750.80 169.0 165.0 161.0 1238.8 10.1953.98 190.0 186.0 182.0 1400.1 11.5057.15 213.0 208.0 203.0 1561.4 12.8960.33 237.0 231.0 226.0 1735.6 14.3063.50 261.0 255.0 249.0 1916.2 15.7766.68 288.0 281.0 274.0 2109.8 17.2969.85 315.0 308.0 300.0 2309.8 18.9673

    47、.03 344.0 338.0 331.0 2522.7 20.6876.20 374.0 367.0 360.0 2742.1 22.4882.55 431.0 423.0 415.0 3251.8 26.7888.90 504.0 494.0 485.0 3761.5 31.2592.25 581.0 570.0 559.0 4303.5 35.71101.60 662.0 650.0 638.0 4897.1 40.18TABLE 5 Initial Settings for Determining Stress at 0.7 % ExtensionNominal Diameter In

    48、itial Stress Initial Setting of Extensometer,in./in. or mm/mmin. mm ksi MPa0.040 to 0.089, incl 1.270 to 2.283, incl 14 100 0.0005 (0.05 % extension)0.090 to 0.119, incl 2.286 to 3.045, incl 28 190 0.0010 (0.10 % extension)0.120 and largerA3.048 and largerA42 290 0.0015 (0.15 % extension)AThis is no

    49、t 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 meetthe requirements of this specification.TABLE 6 Mechanical RequirementsZinc CoatingClassNominal DiameterStress at 0.7 % Extension UnderLoad, minTensile Strength, minTotal Elongationin 10 in. or 250mm, min, %in. mm psi MPa psi MPaA 0.040 to 0.110 1.016 to 2.794 150 000 1030 220 000 1520 2.00.111 and largerA2.820 and largerA160 000 1100 220 000 1520 4.0B 0.090 and largerA2.286 and largerA150 000 1030 210 000 14


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