1、Designation: B 379 04Standard Specification forPhosphorized CoppersRefinery Shapes1This standard is issued under the fixed designation B 379; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in pa
2、rentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification establishes the requirements for phos-phorized copper wire bars, billets, and cakes.NOTE 1Wire bars furnished under this speci
3、fication do not conform indimensions with that furnished under Specification B 5.1.2 The values in inch-pound units are the standard. SIvalues given in parentheses are for information only.1.3 The following hazard caveat applies to 14.2 and 14.3 ofthis specification: This standard does not purport t
4、o address allof the safety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2B 5 Spec
5、ification for High Conductivity Tough-Pitch Cop-per Refinery ShapesB 193 Test Method for Resistivity of Electrical ConductorMaterialsB 224 Classification of CoppersB 577 Test Methods for Detection of Cuprous Oxide (Hy-drogen Embrittlement Susceptibility) in CopperB 846 Terminology for Copper and Cop
6、per AlloysE 8 Test Methods for Tension Testing of Metallic MaterialsE 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE 53 Test Methods for Determination of Copper in Unal-loyed Copper by GravimetryE 62 Test Methods for Chemical Analysis of Copper and
7、Copper Alloys (Photometric Methods)E 255 Practice for Sampling Copper and Copper Alloys forDetermination of Chemical Composition3. Terminology3.1 For definitions of terms related to copper and copperalloys, refer to Terminology B 846.3.2 Definitions of Terms Specific to This Standard:3.2.1 billetref
8、inery shape used for piercing or extrusioninto tubular products or for extrusion into rod, bars, and shapes.Circular in cross section, usually 3 to 16 in. (76 to 406 mm) indiameter, normally ranging in weight from 100 to 4200 lb (45to 1905 kg).3.2.2 cakerefinery shape used for rolling into plate, sh
9、eet,strip, or shape. Rectangular in cross section and of varioussizes, normally ranging in weight from 140 to 62 000 lb (64 to28 123 kg).3.2.3 capable ofpossessing the required properties orcharacteristics, or both, necessary to conform to specificationrequirements when subjected to specified test(s
10、).3.2.4 copper, electrolyticcopper of any origin refined byelectrolytic deposition including electrowinning. When usedalone, this term usually refers to electrolytic tough pitchcopper.3.2.5 copper, fire-refinedcopper of any origin or typefinished by furnace refining without having been processed ata
11、ny stage by electrolytic or chemical refining. When usedalone, the term usually refers to fire refined tough pitch copper.3.2.6 copper, oxygen-freeelectrolytic copper producedwithout the use of metallic or metalloidal deoxidizers, free ofcuprous oxide as determined by metallographic examination at75
12、3 under polarized light.3.2.7 wire barrefinery shape used for rolling into rod orflat products for subsequent processing into wire, strip, orshape. Approximately 312 to 5 in. (89 to 127 mm) square incross section, usually 54 in. (1372 mm) in length and rangingin weight from 200 to 420 lb (91 to 191
13、kg). Usually taperedat both ends.4. Ordering Information4.1 Contracts or purchase orders for product under thisspecification should include the following information:4.1.1 ASTM designation and year of issue (for example,B 379 XX),4.1.2 Copper UNS Number (for example, C10800),4.1.3 Shape required: wi
14、re bar, billet or cake,4.1.3.1 Billet end type,1This specification is under the jurisdiction of ASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.07 onRefined Copper.Current edition approved May 1, 2004. Published June 2004. Originallyapproved in 1962
15、. Last previous edition approved in 1999 as B 379 99.2For 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 ASTM website.1*A Summ
16、ary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.4 Dimensions and tolerances (Section 10), and4.1.5 Quantity; total weight or number of pieces for eachshape, size, and Copp
17、er UNS No. designation.4.2 The following are optional and should be specified inthe contract or purchase order when required:4.2.1 Hydrogen embrittlement test (Section 8),4.2.2 Certification (Section 19), and4.2.3 Test report (Section 20).5. Materials and Manufacture5.1 Material:5.1.1 The product fu
18、rnished shall be produced from one ofthe following coppers as specified in the contract or purchaseorder:UNS Nos. Former3DescriptionC10300 OFXLP Oxygen-free, extra low phosphorusC10800 OFLP Oxygen-free, low phosphorusC12000 DLP Phosphorus deoxidized, low residualphosphorusC12200 DHP Phosphorus deoxi
19、dized, high residualphosphorusC14200 DPA Phosphorus deoxidized, arsenical5.2 Manufacture:5.2.1 BilletsUnless specified otherwise, product up to andincluding 4 in. (102 mm) in diameter may be supplied shearedon one end with the other end flat. Billets over 4 in. in diametershall be supplied with both
20、 ends flat. Billets shall not be cuppedexcept by specific agreement between the manufacturer orsupplier and the purchaser at the time of purchase and theagreement shall be part of the contract or purchase order.6. Chemical Composition6.1 The product material shall conform to the requirementsprescrib
21、ed in Table 1 for the specified copper.6.1.1 These specification limits do not preclude the presenceof other elements. Limits may be established and analysisrequired for unnamed elements by agreement between themanufacturer, or supplier, and the purchaser.7. Physical Property Requirements7.1 Electri
22、cal Resistivity:7.1.1 The maximum mass resistivity for Copper UNS No.C10300, in the annealed condition, shall be 0.15614 ohms g/m2(conductivity 98.16 %, minimum, International AnnealedCopper Standard (IACS) at 68F (20C).7.1.2 The maximum mass resistivity for Copper UNS Nos.C10800 and C12000, in the
23、annealed condition, shall be0.17081 ohm g/m2(conductivity 90 %, minimum, Interna-tional Annealed Copper Standard (IACS) at 68F (20C).8. Performance Requirements8.1 Reverse Bend Test (Hydrogen Embrittlement Suscepti-bility):8.1.1 When specified in the contract or purchase order,specimens of product p
24、roduced of coppers UNS Nos. C10300,C10800, and C12000 shall be capable of withstanding aminimum of four bends without fracturing when tested inaccordance with Test Method D of Test Methods B 577.9. Microscopical Examination9.1 Coppers UNS Nos. C10300, C10800, and C12000 shallbe essentially free of c
25、uprous oxide as determined by exami-nation in accordance with Test Method A of Test MethodsB 577.10. Dimensions, Mass, and Permissible Variations10.1 Wire Bars:10.1.1 The manufacturer or supplier should be consulted fordimensions and shapes available.10.2 Billets:10.2.1 A variation of 65 % in weight
26、 and/or 6116 in. (62mm) in diameter from the manufacturers published list or thepurchasers specified size shall be considered good delivery forbillets up to 6 in. (152 mm) in diameter.10.2.2 A variation of 18 in. (3 mm) to +116 in. (+2 mm)in diameter and 62 % in length shall be permitted for billets
27、 6in. (152 mm) and over in diameter.10.2.3 Deviation from straightness shall not exceed14 in. (6mm) in 4 ft (1219 mm) as measured at the center of the billet.10.2.4 Special diameter tolerances are subject to agreementbetween the manufacturer or supplier and the purchaser.10.3 Cakes:10.3.1 A variatio
28、n up to 5 % in weight or14 in. (6 mm) inany dimension shall be permitted for dimensions up to 8 in.(203 mm). A variation of 3 % in size shall be permitted fordimensions greater than 8 in. (203 mm).11. Workmanship, Finish and Appearance11.1 The product shall be free from defects; however,blemishes of
29、 a nature that do not interfere with the intendedapplication are acceptable. The product shall be well cleanedand free from dirt.3Refer to Table X1.1 of Classification B 224 for former copper designations.TABLE 1 Chemical RequirementsCopper UNS No. TypeComposition, %Copper (IncludingSilver), minPhos
30、phorus Arsenicmin max min maxC10300 OFXLP 99.95A0.001 0.005 . . . . . .C10800 OFLP 99.95A0.005 0.012 . . . . . .C12000 DLP 99.90 0.004 0.012 . . . . . .C12200 DHP 99.9 0.015 0.040 . . . . . .C14200 DPA 99.4B0.015 0.040 0.15 0.50AIncludes phosphorus.BCopper (including phosphorus and arsenic) = 99.9 %
31、 min.B37904212. Sampling12.1 The lot size, portion size, and selection of samplepieces shall be as follows:12.1.1 Lot SizeAn inspection lot shall consist of all piecesin a shipment produced during a single production period.12.1.2 Portion Size One piece shall be randomly selectedfrom each 25 000 lb
32、(11 340 kg) or fraction thereof.12.2 Chemical Composition:12.2.1 The sample for chemical analysis shall be taken inaccordance with Practice E 255 from the piece(s) selected in12.1.2. The minimum weight of the composite sample shall be13 lb (150 g).12.2.2 Instead of sampling in accordance with Practi
33、ceE 255, the manufacturer shall have the option of determiningcomposition from samples taken at the time the castings arepoured or from samples taken from semifinished product.When the manufacturer determines chemical compositionduring the course of manufacture, sampling of the finishedproduct by th
34、e manufacturer is not required. The number ofsamples to be taken for the determination of chemical compo-sition shall be as follows:12.2.2.1 When castings are poured, at least two samplesshall be taken, one at the beginning of the pour and one at theend of the pour, for each group of castings poured
35、 from thesame source of molten metal.12.2.2.2 When taken from semi-finished product, at leasttwo samples shall be taken, each from a different piece, torepresent each 20 000 lb (9072 kg), or fraction thereof, exceptthat not more than one sample shall be required per productpiece.12.3 Samples for All
36、 Other Tests:12.3.1 Specimens for all other tests shall be taken from thesample portion selected in 12.1.2 and be of a convenient size toaccommodate the tests.13. Number of Tests and Retests13.1 Tests:13.1.1 Chemical AnalysisChemical composition shall bedetermined as the per element mean of results
37、from at least tworeplicate analyses of the sample(s).13.1.2 Other Tests:13.1.2.1 Electrical ResistivityThe individual test resultsfrom at least two specimens shall be reported.13.1.2.2 Hydrogen Embrittlement Test and MicroscopicalExaminationAt least two specimens shall be tested and eachshall meet t
38、he requirements of the test.13.2 Retests:13.2.1 When requested by the manufacturer or supplier, aretest shall be permitted when test results obtained by thepurchaser fail to conform with the requirement(s) of thisspecification.13.2.2 Retesting shall be as directed in this specification forthe specif
39、ic property except the number of test specimens shallbe twice that normally required for the test. Test results for alltest specimens shall conform to the requirement(s) of thisspecification in retest and failure to comply shall be cause forlot rejection.14. Specimen Preparation14.1 Chemical Analysi
40、s:14.1.1 Preparation of the analytical specimen shall be theresponsibility of the reporting laboratory.14.2 Electrical Resistivity:14.2.1 The specimen shall conform to the requirements ofthe Test Specimens section of Test Method B 193 and at leasttwo specimens shall be prepared.14.2.2 Each test spec
41、imen shall originate as a single piece oran appropriate size cut from a separate portion piece, whenpossible, selected in 12.1.2.14.2.3 Alternatively, the manufacturer shall have the optionof sampling the molten metal during the casting period bypouring at least two castings of suitable size.14.2.3.
42、1 The test specimens shall be forged or hot rolled.The external oxide shall be removed and the specimens colddrawn into a wire approximately 0.080 in. (2.03 mm) indiameter (12 gage AWG) and of a length adequate for the test.A specimen shall be cut from one end of each wire and be ofa length sufficie
43、nt to accommodate the testing equipment,annealed at approximately 932F (500C) for 30 min in aninert atmosphere, and rapidly cooled to ambient temperaturewithout undue exposure to air.14.3 Hydrogen Embrittlement:14.3.1 The test specimens shall originate as a single piececut from a portion piece selec
44、ted in 12.1.2.14.3.2 The test specimen shall be forged or hot rolled. Theexternal oxide shall be removed and the specimen cold drawninto a wire approximately 0.080 in. (2.03 mm) in diameter (12gage AWG) and of a length adequate for the test. Not less thantwo specimens shall be cut from one end of th
45、e wire and be ofa length sufficient to accommodate the testing equipment.14.3.2.1 Alternatively, test specimens may be taken fromthe unused portion of the unannealed wire prepared for theelectrical resistivity test.14.3.3 The test specimens shall be annealed in an atmo-sphere containing not less tha
46、n 15 %, volume/volume, ofhydrogen for 20 to 40 min in a furnace held at 1472 to 1607F(800 to 875C) and then rapidly cooled to ambient temperaturewithout undue exposure to air.14.4 Microscopical Examination:14.4.1 Test specimen preparation shall be in accordancewith Methods E 8.15. Test Methods15.1 T
47、est methods used for quality control or productioncontrol, or both, for the determination of conformance withproduct property requirements are discretionary.15.1.1 Test methods used to obtain data for preparation ofcertification and test report shall be made available to thepurchaser on request.15.2
48、 Chemical Composition:15.2.1 Composition shall be determined, in case of dis-agreement, as follows:Element MethodCopper E 53Phosphorus E 62Arsenic E 62B37904315.2.2 Test method(s) to be followed for the determinationof element(s) resulting from contractual or purchaser orderagreement shall be as agr
49、eed upon between the manufacturer orsupplier and the purchaser.15.3 Other Tests:15.3.1 The product furnished shall conform to physicalproperty and other requirements when subjected to the appro-priate test method in the following table:Test MethodsElectrical resistivity B 193Microscopical examination B 577, Test Method AHydrogen embrittlement B 577, Test Method D15.3.1.1 Electrical ResistivityThe limit of measurementuncertainty for Test Method B 193 shall be 60.30 % as aroutine method and 60.15 % as an umpire method.16. Significance of Numeri
