1、Designation:B37211 Designation: B372 12Standard Specification forSeamless Copper and Copper-Alloy Rectangular WaveguideTube1This standard is issued under the fixed designation B372; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, t
2、he 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 Department of Defense.1. Scope*1.1 This specification establ
3、ishes the requirements for seamless copper and copper-alloy rectangular tube intended for use astransmission lines in electronic equipment. Five types of material are specified having the following nominal compositions:2Copper orCopper AlloyUNS2No.PreviouslyUsed DesignationNominal Composition, %Copp
4、er ZincPhos-phorusC10100 Copper, Type OFEA99.99 .C10100 Copper, Type OFEA99.99B. .C10200 Copper, Type OFA99.95 . .C10200 Copper, Type OFA99.95B. .C10300 Copper, Type OFXLPA99.95 . 0.003C10300 Copper, Type OFXLPA99.95B. 0.003C12000 Copper, Type DLPA99.90 . 0.008C12000 Copper, Type DLPA99.90B. 0.008C2
5、2000 Commercialbronze, 90 %90 10 ._ATypes OF, OFE, OFXLP, and DLP are described in Classification B224.BMinimum copper percentage.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units thatwhich are provided f
6、or information only and are not considered standard.2. Referenced Documents2.1 The following documents of the issue in effect on date of material purchase form a part of this specification to the extentreferenced herein:2.2 ASTM Standards:3B170 Specification for Oxygen-Free Electrolytic CopperRefine
7、ry ShapesB193 Test Method for Resistivity of Electrical Conductor MaterialsB224 Classification of CoppersB428 Test Method for Angle of Twist in Rectangular and Square Copper and Copper Alloy TubeB577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in CopperB846 Te
8、rminology for Copper and Copper AlloysE18 Test Methods for Rockwell Hardness of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE53 Test Method for Determination of Copper in Unalloyed Copper by GravimetryE62 Test Methods for Chemi
9、cal Analysis of Copper and Copper Alloys (Photometric Methods)E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper Alloys1This specification is under the jurisdiction of ASTM Committee B05 on Copper and Cop
10、per Alloys and is the direct responsibility of Subcommittee B05.04 on Pipe andTube.Current edition approved April 1, 2011.2012. Published May 2011.2012. Originally approved in 1961. Last previous edition approved in 20032011 as B37297 (2003).B372 11. DOI: 10.1520/B0372-112.2The UNS system for copper
11、 and copper alloys is a simple expansion of the former standard designation system accomplished by the addition of a prefix“ C” and a suffix“00.” The suffix can be used to accommodate composition variations of the base alloy.3For referencedASTM standards, visit theASTM website, www.astm.org, or cont
12、actASTM Customer Service at serviceastm.org. ForAnnual Book ofASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This 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
13、 made to the previous version. Becauseit may not be technically possible to adequately 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.
14、*A Summary 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.2.3 Other Standard:ANSI B46.1 Surface Roughness, Waviness, and Lay43. Terminology3.1 For definitions of terms related to
15、 copper and copper alloys, refer to Terminology B846.4. Ordering Information4.1Orders for material under this specification shall include the following information:4.1.1Material (Sections 1 and 64.1 Include the following specified choices when placing orders for products under this specification, as
16、 applicable:4.1.1 ASTM designation and year of issue,4.1.2 Copper or copper alloy UNS No. designation,4.1.3 Outer and inner rectangular dimensions, dimensional tolerances (Section 10),4.1.2Outer and inner rectangular dimensions (Section 114.1.4 Length (10.6),4.1.5 Total length of each size,4.1.6 Spe
17、cial packaging, if required (Section 20),4.1.3Length (see 11.64.1.7 Embrittlement test, if required (Section 9.2),4.1.4Total length of each size,4.1.5Special packaging, if required (Section 19),4.1.6Embrittlement test, if required (Section 9),4.1.7Electrical resistivity test, if required (Section 10
18、), and4.1.8Special finish, if required (see 12.24.1.8 Electrical resistivity test, if required (Section 7), and4.1.9 Special finish, if required (see 11.2).5. Materials and Manufacture5.1The material shall be of such quality and purity that the finished product shall have the properties and characte
19、risticsprescribed in this specification, and shall be cold drawn to size.5.2The copper will normally be of the types given in Table 1, but may be of such other types as may be agreed upon between4Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 100
20、36.TABLE 1 Chemical RequirementsElementComposition, %Copper UNS Nos.CopperAlloyUNSNo.C22000C10100AC10200BC10300 C12000CopperC99.99min99.95min. 99.90min89.091.0Copper 99.99min99.95Cmin. 99.90Cmin89.091.0Copper,C + phos-. . 99.95 . .Copper, + phos-. . 99.95Cmin. .phorus,minphorusPhosphorus 0.0003max.
21、0.0010.0050.0040.012.Zinc 0.0001max. . . remainderLead,max0.0005 . . . 0.05Iron,max0.0010 . . . 0.05AThe following additional impurity maximum limits shall apply: As 0.0005%, Sb0.0004%, Te 0.0002%, O 0.0005%, Bi 0.0001%, Cd 0.0001%, Mn 0.00005%, Ni0.0010%, Se 0.0003%, Ag 0.0025%, S 0.0015% and Sn 0.
22、0002%.BOxygen in C10200 shall be 0.0010 ppm % max.CSilver counting as copper.B372 122the manufacturer or supplier, and the purchaser.5.3The copper and copper-alloy tubes shall be finished by such cold-working and annealing operations as are necessary to meetthe required properties.5.1 Materials:5.1.
23、1 The material of manufacture shall be of such quality and purity to be suitable for processing into the products prescribedherein.5.2 Manufacture:5.2.1 The product shall be manufactured by such hot working, cold-working and annealing process as to produce a uniformwrought structure in the finished
24、product.5.2.2 The product shall be hot or cold worked to the finished size, and subsequently annealed when required, to meet the temperproperties.6. Chemical Composition6.1 The material shall conform to the chemical requirements specifiedcomposition requirements in Table 1.6.2These specification lim
25、its do not preclude the presence of other elements. Limits for unnamed elements may be establishedby agreement between manufacturer or supplier and purchaser.6.3For copper alloys in which zinc is specified as the remainder, either copper or zinc may be taken as the difference betweenthe sum of all t
26、he elements analyzed and 100%.6.3.1Alloy C22000When all the elements in Table 1 are analyzed, their sum shall be 99.8% minimum. for the copper or copperalloy UNS No. designation specified in the ordering information.6.2 These composition limits do not preclude the presence of other elements. By agre
27、ement between the manufacturer andpurchaser, limits may be established and analysis required for unnamed elements.6.3 For alloys in which zinc is listed as “remainder,” either copper or zinc may be taken as the difference between the sum ofresults of all other elements determined and 100 %. When all
28、 elements for C22000 in Table 1 are determined, the sum of the resultsshall be 99.8 % minimum.7. Rockwell Hardness7.1The material shall conform to the Rockwell hardness requirements prescribed in Table 2.8.Microscopical Examination8.1The test specimens of Copper UNS Nos. C10100, C10200, C10300, and
29、C12000 shall be free of cuprous oxide as determinedby Procedure A of Test Methods B577. In case of a dispute, a referee method in accordance with Procedure C shall be employed.9.Embrittlement Test9.1It is to be expected that samples of Copper UNS Nos. C10100, C10200, C10300, and C12000 covered by th
30、is specificationshall be capable of passing the embrittlement test of Procedure B of Test Methods B577. The actual performance of this test is notmandatory under the terms of this specification unless definitely specified in the ordering information. In case of a dispute, a refereemethod in accordan
31、ce with Procedure C shall be employed.10.Electrical Resistivity10.1It is to be expected that samples of Copper UNS Nos. C10100, C10200, C10300, and C12000 covered by this specificationwill conform to the following electrical resistivity requirements, although actual determination of this property is
32、 not mandatoryunder the terms of this specification unless definitely specified. The electrical resistivity of representative samples of Copper UNSNo. C10100, shall not exceed 0.15585 Vg/mPhysical Property Requirements7.1 Electrical Resistivity Requirement:7.1.1 When specified in the contract or pur
33、chase order, the product furnished from Copper UNS Nos. C10100, C10200, C10300,and C12000 shall be capable of conforming to the following electrical mass resistivity requirements, when tested in accordancewith Test Method B193. The electrical resistivity of representative samples of Copper UNS No. C
34、10100, shall not exceed 0.15585TABLE 2 Hardness RequirementsCopper or Copper Alloy UNS No.Rockwell Hardness,30T ScaleAC10100 30 minC10200 30 minC10300 30 minC12000 30 minC22000 43 to 66AThe tube shall be split along the center line of its narrow side, and Rockwellhardness readings then taken on its
35、inner surface.B372 123Vg/m2, C10200 shall not exceed 0.15737 Vg/m2and Copper UNS No. C10300 shall not exceed 0.15940 Vg/m2and Copper UNSNo. C12000 shall not exceed 0.17418 Vg/m2when tested at 68F (20C).NOTE1TheThe International Annealed Copper Standard electrical conductivity equivalents are as foll
36、ows:Electrical Resisitivity,Vg/m2Conductivity,%0.15176 101.000.15328 100.000.15585 98.350.15614 98.1698.160.15737 97.4097.400.15940 96.1696.160.1703190900.1741888 880.17418 8811.8. Mechanical Property Requirements8.1 Rockwell Hardness Requirements :8.1.1 When specified in the contract or purchase or
37、der, the product shall conform to the Rockwell hardness requirementprescribed in Table 2, when tested in accordance with Test Method E18.9. Performance Requirements9.1 Microscopical Examination:9.1.1 Samples of Copper UNS Nos. C10100, C10200, C10300, and C12000 shall be free of cuprous oxide as dete
38、rmined byProcedure A of Test Methods B577. In case of a dispute, a referee method in accordance with Procedure C of Test Method B577shall be used.9.2 Hydrogen Embrittlement Test :9.2.1 Samples of Copper UNS Nos. C10100, C10200, C10300, and C12000 shall be capable of passing the embrittlement testof
39、Procedure B of Test Methods B577. The actual performance of this test is not mandatory under the terms of this specificationunless definitely specified in the ordering information. In case of a dispute, a referee method in accordance with Procedure C shallbe employed.10. Dimensions and Permissible V
40、ariations11.110.1 General:110.1.1 The standard method of specifying, ordering, and measuring rectangular waveguide tube shall be major by minor outerdimension and major by minor inner dimension.110.1.2 All cross-sectional measurements shall be made at the corners at a point at least12 in. (12.7 mm)
41、from the ends.110.1.3 For the purpose of determining conformance with the dimensional requirements prescribed in this specification, anymeasured value outside the specified limiting values for any dimension may be cause for rejection.11.210.2 Dimensional Tolerances:110.2.1 Standard dimensions and to
42、lerances of waveguide tube shall be as specified in Table 3.11.2.210.2.2 Other dimensions and tolerances shall be subject to agreement between the manufacturer or supplier and the purchaser.11.310.3 Corner RadiiOuter corner radii shall be 0.015 in. (0.381 mm) min and 0.032 in. (0.813 mm) max. Maximu
43、m inner cornerradii shall be as specified in Table 4.11.410.4 EccentricityThe maximum allowable eccentricity, defined as one-half the difference between the maximum andminimum opposite wall thicknesses as measured at any cross section perpendicular to the longitudinal axis, shall be in accordancewit
44、h Table 5.11.510.5 RectangularityThe adjoining faces of the tube shall be as square in relation to each other as the best mill practice willpermit.11.610.6 LengthUnless otherwise specified, waveguide tube shall be furnished in 12-ft (3.66-m) standard (stock) straight lengthswith ends. The shortest p
45、ermissible length of the ends shall not be less than 60 % of the nominal length (specific and stock), andB372 124the maximum permissible weight of ends shall not exceed 25 % of the lot weight. Waveguide tube, ordered to specific or stocklengths, with or without ends, shall conform to the tolerances
46、prescribed in Table 6.11.710.7 Squareness of CutThe departure from the squareness of the end of any tube shall not exceed 0.010 in. (0.25 mm) fortube up to58-in. (15.9-mm) dimension, inclusive, across the measured section, and 0.016 in./in. (0.41 mm/mm) of distance betweenparallel surfaces for tube
47、over58-in. dimension across the measured section.11.8TABLE 3 Dimensional TolerancesOuter Dimensions, in. (mm) Inner Dimensions, in. (mm)Nominal WallThickness, in. (mm)MajorDimensionsMinorDimensionsTolerance,plus andminusMajorDimensionsMinorDimensionsTolerance, plus andminus0.420 (10.7) 0.250 (6.35)
48、0.003 (0.076) 0.340 (8.64) 0.170 (4.32) 0.002 (0.051) 0.040 (1.02)0.500 (12.7) 0.250 (6.35) 0.003 (0.076) 0.420 (10.7) 0.170 (4.32) 0.002 (0.051) 0.040 (1.02)0.590 (15.0) 0.335 (8.51) 0.003 (0.076) 0.510 (13.0) 0.255 (6.48) 0.002 (0.051) 0.040 (1.02)0.702 (17.8) 0.391 (9.93) 0.003 (0.076) 0.622 (15.
49、8) 0.311 (7.90) 0.002 (0.051) 0.040 (1.02)0.850 (21.6) 0.475 (12.1) 0.003 (0.076) 0.750 (19.0) 0.375 (9.52) 0.003 (0.076) 0.050 (1.27)1.000 (25.4) 0.500 (12.7) 0.004 (0.10) 0.900 (22.9) 0.400 (10.2) 0.004 (0.010) 0.050 (1.27)1.250 (31.8) 0.625 (15.9) 0.004 (0.10) 1.122 (28.5) 0.497 (12.6) 0.004 (0.10) 0.064 (1.63)1.500 (38.1) 0.750 (19.0) 0.004 (0.10) 1.372 (34.8) 0.622 (15.8) 0.004 (0.10) 0.064 (1.63)1.718 (43.6) 0.923 (23.4) 0.005 (0.13) 1.590 (40.4) 0.795 (20.2) 0.005 (0.13) 0.064 (1.63)2.000 (50.8) 1.000 (25.4) 0.005 (0.13) 1.872 (47.5)
