1、Designation: B233 97 (Reapproved 2016)Standard Specification forAluminum 1350 Drawing Stock for Electrical Purposes1This standard is issued under the fixed designation B233; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、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.1. Scope1.1 This specification covers aluminum 1350 drawing stock0.375 in. (9.52 mm) to 1.000 in. (25.40 mm) in diameter, in th
3、etempers shown in Table 1, for drawing into wire for electricalconductors (Explanatory Note 1 and Note 2).1.2 The SI values of density and resistivity are to beregarded as the standard. For all other properties the inch-pound values are to be regarded as standard and the SI unitsmay be approximate.N
4、OTE 1Prior to 1975, aluminum 1350 was designated as ECaluminum.NOTE 2The aluminum and temper designations conform to ANSIH35.1. Aluminum 1350 corresponds to unified numbering system A91350in accordance with Practice E527.2. Referenced Documents2.1 The following documents of the issue in effect on da
5、teof material purchase form a part of this specification to theextent referenced herein:2.2 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB354 Terminology Relating to Uninsulated Metallic Electri-cal ConductorsB557 Test Methods for Tension Testing Wrought and CastA
6、luminum- and Magnesium-Alloy ProductsB830 Specification for Uniform Test Methods and Fre-quencyE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical CompositionE227 Test Method for Optical
7、 Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by thePoint-to-Plane Technique (Withdrawn 2002)3E527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)2.3 American National Standard:4ANSI H35.1 Alloy and Temper Designation Systems forAluminum2.4 National Bu
8、reau of Standards:5NBS Handbook 100 Copper Wire Tables3. Ordering Information3.1 Orders for material under this specification shall includethe following information:3.1.1 Quantity,3.1.2 Diameter (see 11.1),3.1.3 Temper (see Table 1 and Explanatory Note 1 and Note2),3.1.4 Whether joints are permitted
9、 (see 8.1),3.1.5 Whether tests of joints are required and number ofspecimens (see 8.2),3.1.6 Coil size and weight (see 14.2),3.1.7 Whether wrapping of coils is required (see 14.3),3.1.8 Special marking on tags, if required (see 14.4), and3.1.9 Whether inspection or witness of inspection and testsby
10、purchasers representative is required prior to shipment (seeSection 13).4. Manufacture4.1 Unless otherwise agreed upon at the time of placing theorder, the manufacturer shall have the option of producing thestock from either individually cast ingots or continuously castbars. Only one method of produ
11、ction shall be used on anygiven order.4.2 Unless otherwise specified, the manufacturer shall havethe option of supplying stock in the H2X temper when H1X isspecified, and of supplying stock in the H1X temper when H2Xis specified. Only one temper shall be supplied in any givenorder (see Explanatory N
12、ote 3 and ANSI H35.1).1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.07 onConductors of Light Metals.Current edition approved Oct. 1, 2016. Published October 2016. Originallyapproved in 1948. Last previ
13、ous edition approved in 2012 as B233 97 (2012).DOI: 10.1520/B0233-97R16.2For 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 AS
14、TM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.5Available from National Technical Information Service (NTIS), 5285 PortRoyal
15、Rd., Springfield, VA 22161, http:/www.ntis.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15. Chemical Composition5.1 The stock shall conform to the requirements of Table 2as to chemical composition. Conformance shall be determine
16、dby the manufacturer by analyzing samples taken at the time theingots or continuously cast bars are poured, or samples takenfrom the finished or semifinished product. If the manufacturerhas determined the chemical composition of the materialduring the course of manufacture, he shall not be required
17、tosample and analyze the finished product.5.2 Number of SamplesThe number of samples taken fordetermination of chemical composition shall be as follows:5.2.1 When samples are taken at the time the ingots arepoured, at least one sample shall be taken to represent eachgroup of ingots poured simultaneo
18、usly from the same source ofmolten metal.5.2.2 When samples are taken at the time continuously castbars are poured, at least one sample shall be taken to representthe continuously cast length poured from each furnace load ofmolten metal.5.2.3 When samples are taken from the finished or semifin-ished
19、 product, a sample shall be taken to represent each 5000lb (2300 kg) or fraction thereof of material in the shipment,except that no more than one sample shall be required percontinuous unjointed coil.5.3 Methods of SamplingSamples for determination ofchemical composition shall be taken in accordance
20、 with one ofthe following methods:5.3.1 Samples for chemical analysis shall be taken from thematerial by drilling, sawing, milling, turning, or clipping arepresentative piece or pieces to obtain a weight of preparedsample not less than 75 g. Sampling shall be in accordancewith Practice E55.5.3.2 Sam
21、ples for spectrochemical and other methods ofanalysis shall be suitable for the form of material beinganalyzed and the type of analytical method used.5.4 Methods of AnalysisThe determination of chemicalcomposition shall be made in accordance with suitable chemi-cal (Test Methods E34), spectrochemica
22、l (Test Method E227),or other methods.6. Workmanship6.1 The stock shall be uniform in quality and temper andshall be suitable for drawing into wire.6.2 The stock shall be clean, sound, smooth, and free ofpipes, laps, cracks, kinks, twists, seams, damaged ends, exces-sive oil, and other injurious def
23、ects within the limits of goodcommercial practice.7. Tensile Requirements7.1 Limits:7.1.1 The tensile strength of the respective tempers of stockshall conform to the requirements specified in Table 1. Alltensile test results shall be reported.7.1.2 The tensile strength of joints made in the finished
24、stock shall be not less than 8500 psi (59 MPa) for 1350-O andnot less than 11 000 psi (76 MPa) for the other tempers.TABLE 1 Tensile Property LimitsATemperTensile Strengthksi MPa1350-O 8.514.0 59971350-H12 and -H22 12.017.0 831171350-H14 and -H24 15.020.0A1031381350-H16 and -H26 17.022.0A117152AAppl
25、icable to stock sizes through 0.500-in. (12.70-mm) diameter. The values toapply for larger sizes in these tempers shall be negotiated at time of inquiry.TABLE 2 Chemical RequirementsAElement Composition, %Silicon, max 0.10Iron, max 0.40Copper, max 0.05Manganese, max 0.01Chromium, max 0.01Zinc, max 0
26、.05Boron, max 0.05Gallium, max 0.03Vanadium plus titanium, total, max 0.02Other elements, each, max 0.03Other elements, total, max 0.10Aluminum, min 99.50AAnalysis shall regularly be made only for the elements specified in this table. If,however, the presence of other elements is suspected or indica
27、ted in amountsgreater than the specified limits, further analysis shall be made to determine thatthese elements are not present in amounts in excess of the specified limits.TABLE 3 Electrical Resistivity LimitsTemperResistivity, mm2/m, maxEquivalent VolumeConductivity,% IACS, min1350-O 0.027899 61.8
28、1350-H12 and -H22 0.028035 61.51350-H14 and -H24 0.028080 61.41350-H16 and -H26 0.028126 61.3TABLE 4 Equivalent Resistivity Values at 20CAMaterialVolumeConductivity,% IACSResistivity ConstantsVolumemm2/m cmil/ft in. cmCopper 100 0.017241 10.371 0.67879 1.7241Aluminum 61.3 0.028126 16.919 1.1073 2.81
29、2661.4 0.028080 16.891 1.1055 2.808061.5 0.028035 16.864 1.1037 2.803561.8 0.027899 16.782 1.0984 2.7899AThe equivalent resistivity values for 100 % IACS conductivity were eachcomputed from the fundamental IEC value (158 mm2/m) using conversion factorseach accurate to at least seven significant figu
30、res. Corresponding values for otherconductivities (aluminum) were derived from these by multiplying by the reciprocalof the conductivity ratios accurate to at least seven significant figures.TABLE 5 Diameter TolerancesSpecified Diameter, in.(mm)Tolerance, in. (mm), Plus or MinusDeviation of MeanADia
31、meter fromSpecified DiameterDeviation at AnyPoint fromSpecified Diameter0.3750.500 (9.5212.70)0.5011.00 (12.7325.40)0.020 (0.51)0.025 (0.64)0.030 (0.76)0.035 (0.89)AFor this specification, mean diameter is the average of the maximum diameterand the minimum diameter measured in the same transverse pl
32、ane along thelength.B233 97 (2016)27.2 Number of SpecimensOne specimen shall be takenfrom each coil.7.2.1 Tests to demonstrate conformance with 7.1.2 are notrequired unless agreed upon at time of ordering. The number ofspecimens shall be as negotiated (see 8.2).7.3 Type of SpecimensTension test spec
33、imens shall be thefull section of the stock, or specimens machined from it.Machined specimens shall conform to Fig. 8 of Test MethodsB557. In case of dispute, tension test specimens shall be fullsection.7.4 Test MethodTension tests shall be made in accordancewith Test Methods B557. When tested in fu
34、ll section, the freelength between jaws of the testing machine shall be at least 10in. (250 mm) (Explanatory Note 4).8. Joints8.1 The stock shall be furnished in continuous-length coilswithout joints, unless otherwise agreed upon between themanufacturer and purchaser at the time of ordering. Whenjoi
35、nts are permitted, the joints shall be made by electric-buttwelding, by cold-pressure welding, or by electric-butt, cold-upset welding.8.2 When requested by the purchaser and agreed to by themanufacturer at the time of ordering, the tensile strength ofjoints in finished stock shall be determined (se
36、e 7.2.1).9. Resistivity9.1 The electrical resistivity of the stock in the tempersupplied shall conform to the requirements specified in Table 3(Explanatory Note 3).9.2 Number of SpecimensOne specimen is required per30 000 lb (14 000 kg) lot.9.3 Test MethodThe resistivity tests shall be made onfull-s
37、ection samples of the stock in accordance with TestMethod B193.10. Density10.1 For the purpose of calculating mass per unit length,weight, cross section, etc., the density of aluminum 1350 shallbe taken as 0.0975 lb/in.2(2705 kg/m3) at 20C.11. Diameter and Permissible Variations11.1 The diameter of
38、the stock shall be specified in decimalfractions of an inch using three places of decimals or inmillimetres using two places of decimals.11.2 The diameter of the stock shall be determined on atleast 10 % of the coils in a lot. The diameter shall not vary fromthat specified by more than the permissib
39、le variations specifiedin Table 5.12. Number of Tests and Retests12.1 If a sample fails to conform to the requirements ofSections 7 and 9, two additional samples from the same coilshall be tested. If either of these samples fails to conform, thatcoil and the lot represented by the sample is subject
40、torejection. However, the lot may be resubmitted for inspectionby testing every coil for the failed characteristic and sorting outthe defective coils.12.2 If a coil fails to conform to the permissible diametervariations specified in Table 5, each coil in the lot shall begaged and the nonconforming c
41、oils shall be rejected.13. Inspection13.1 Unless otherwise specified in the contract or purchaseorder, the manufacturer shall be responsible for the perfor-mance of all inspection and test requirements specified.13.2 All inspections and tests shall be made at the place ofmanufacture unless otherwise
42、 especially agreed to between themanufacturer and the purchaser at the time of the purchase.13.3 The manufacturer shall afford the inspector represent-ing the purchaser all reasonable manufacturers facilities tosatisfy him that the material is being furnished in accordancewith this specification.13.
43、4 An inspection lot shall consist of an identifiable quan-tity of stock subjected to inspection at one time. Each lot shallconsist of stock of the same size and temper manufacturedunder essentially the same conditions at essentially the sametime.14. Packaging and Marking14.1 The material shall be sh
44、ipped in coils.14.2 Coil size and mass shall be agreed upon by themanufacturer and the purchaser at the time of placing the order.14.3 Coils will be wrapped for shipment only when speci-fied in the contract or order. The quality and application of thewrapping material shall be adequate to protect ro
45、ds fromdamage incident to normal handling and shipment.14.4 Each coil shall bear a tag showing the manufacturersname or trademark, size, aluminum number, and temper ofmaterial. If additional information is to be required on the tags,it shall be arranged with the manufacturer at the time ofpurchase.1
46、5. Statistical Process Control15.1 When statistical process control (SPC) is used, thestatistical sampling of each lot shall comply with SpecificationB830. The process control ratio (CPK) shall not be less than1.3. Control charts following the form and style of ASTMManual 7A6shall be provided, if re
47、quested, to the customerwith each order that is representative of the processes used inthe manufacture of the product.16. Keywords16.1 aluminum; aluminum drawing stock; aluminum wire;drawing stock; wire6Manual on Presentation of Data and Control Chart Analysis, Seventh Edition,ASTM MNL 7A, ASTM Inte
48、rnational, 2002.B233 97 (2016)3EXPLANATORY NOTESNOTE 1The selection of the proper temper of stock will depend on thesize of wire to be drawn, the wire properties desired, and the wire drawingpractices employed.NOTE 2For definitions of terms relating to conductors, referenceshould be made to Terminol
49、ogy B354.NOTE 3The H1X tempers (strain-hardened only) and the H2Xtempers (strain-hardened and partially annealed) of stock are consideredequally suitable for electrical purposes.NOTE 4In tension tests, the values obtained may be affected by testingspeed. It is recommended that for conformance criteria the testing speedshould not exceed 0.5 in./in. (0.5 mm/mm) of gage length or distancebetween grips per minute.NOTE 5Relationships that may be useful in connection with the valuesof electrical resistivity prescribed in Table 3 are shown
