1、Designation: B302 12B302 17Standard Specification forThreadless Copper Pipe, Standard Sizes1This standard is issued under the fixed designation B302; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numb
2、er 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.1. Scope*1.1 This specification establishes requirements for thre
3、adless, seamless, deoxidized copper pipe (TP) in straight lengths, in allnominal or standard pipe sizes, for piping systems that are assembled with brazed-joint pipe fittings. The pipe shall be producedfrom either of coppers UNS Nos. C10300 or C12200.1.2 UnitsValues The values stated in inch-pound u
4、nits are to be regarded as standard. The values given in parentheses aremathematical conversions to SI units, which are provided for information only and are not considered standard.1.3 The following safety hazard caveat pertains only to the test methods described Section 16 of this specification:Th
5、is standarddoes not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to itsuse.1.3 The following sa
6、fety hazard caveat pertains only to the test methods described in Section 16 of this specification.1.3.1 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety, health
7、, and environmental practices and determine the applicability ofregulatory limitations prior to its use.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of Internatio
8、nal Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2B577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in CopperB601 Classification for Temper Desi
9、gnations for Copper and Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB950 Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper AlloysE8E8/E8M Test Methods for Tension Testing of Metallic MaterialsE18 Test Methods for Rockwell Hardness o
10、f 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 Chemical Analysis of Copper and Copper Alloys (Photometric Methods) (Withdrawn 2010
11、)3E243 Practice for Electromagnetic (Eddy Current) Examination of Copper and Copper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition3. Terminology3.1 For definitions of terms related to copper and copper alloys, refer to Terminology B846.1
12、This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipe andTube.Current edition approved April 1, 2012Oct. 1, 2017. Published May 2012December 2017. Originally approved in 1955. Last previous editi
13、on approved in 20072012 asB302 07.B302 12. DOI: 10.1520/B0302-12.10.1520/B0302-17.2 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 Sum
14、mary page on the ASTM website.3 The last approved version of this historical standard is referenced on www.astm.org.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 n
15、ot 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.*A Summary of Changes section appears at the e
16、nd of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14. Ordering Information4.1 Include the following specified choices when placing orders for product under this specification, as applicable:4.1.1 ASTM designation and y
17、ear of issue,4.1.2 Copper UNS No. designation,4.1.3 Nominal or standard size (Table 1), and4.1.4 QuantityTotal length, total weight, or number of pieces of each size.4.2 The following options are available, but may not be included unless specified at the time of placing of the order whenrequired:4.2
18、.1 Tension test (Mechanical Property Requirements Section),4.2.2 Hydrostatic test (Other Requirements Section),4.2.2.1 Test Pressure over 1000 psi (6.9 MPa),4.2.3 Pneumatic test (Other Requirements Section),4.2.4 Heat identification or traceability requirements (5.1.1),4.2.5 Certification (Section 2
19、0),4.2.6 Mill test Test report (Section 21).4.2.7 Source inspection requirement (18.2), and4.2.8 When the specification number must be shown on the shipping unit (Section 22).5. Materials and Manufacture5.1 MaterialThe material of manufacture shall be cast billets, bars, or tubes of copper UNS No. C
20、10300 or C12200 of suchpurity and soundness as to be suitable for processing into finished lengths of pipe to meet the properties prescribed herein.TABLE 1 Dimensions and Weights and Tolerance in Diameter and Wall Thickness for Copper Threadless Pipe (TP) SizesNominal or StandardPipe Size, in.Outsid
21、e Diameter,in. (mm)Inside Diameter,in. (mm),Wall Thickness,in. (mm)Cross-SectionalArea of Bore,in.2 (cm2)TheoreticalWeight, lb/ft(kg/m)Tolerances, in. (mm)Average OutsideDiameter,AAll MinusWall ThicknessPlus and Minus14 0.540 (13.7) 0.410 (10.4) 0.065 (1.65) 0.132 (0.852) 0.376 (0.559) 0.004 (0.10)
22、0.0035 (0.089)14 0.540 (13.7) 0.410 (10.4) 0.065 (1.65) 0.132 (0.852) 0.376 (0.559) 0.004 (0.10) 0.0035 (0.089)38 0.675 (17.1) 0.545 (13.8) 0.065 (1.65) 0.233 (1.50) 0.483 (0.719) 0.004 (0.10) 0.004 (0.10)38 0.675 (17.1) 0.545 (13.8) 0.065 (1.65) 0.233 (1.50) 0.483 (0.719) 0.004 (0.10) 0.004 (0.10)1
23、2 0.840 (21.3) 0.710 (18.0) 0.065 (1.65) 0.396 (2.55) 0.613 (0.912) 0.005 (0.13) 0.004 (0.10)12 0.840 (21.3) 0.710 (18.0) 0.065 (1.65) 0.396 (2.55) 0.613 (0.912) 0.005 (0.13) 0.004 (0.10)34 1.050 (26.7) 0.920 (23.4) 0.065 (1.65) 0.665 (4.29) 0.780 (1.16) 0.005 (0.13) 0.004 (0.10)34 1.050 (26.7) 0.92
24、0 (23.4) 0.065 (1.65) 0.665 (4.29) 0.780 (1.16) 0.005 (0.13) 0.004 (0.10)1 1.315 (33.4) 1.185 (30.1) 0.065 (1.65) 1.10 (7.10) 0.989 (1.47) 0.005 (0.13) 0.004 (0.10)1 1.315 (33.4) 1.185 (30.1) 0.065 (1.65) 1.10 (7.10) 0.989 (1.47) 0.005 (0.13) 0.004 (0.10)114 1.660 (42.2) 1.530 (38.9) 0.065 (1.65) 1.
25、84 (11.9) 1.26 (1.87) 0.006 (0.15) 0.004 (0.10)114 1.660 (42.2) 1.530 (38.9) 0.065 (1.65) 1.84 (11.9) 1.26 (1.87) 0.006 (0.15) 0.004 (0.10)112 1.900 (48.3) 1.770 (45.0) 0.065 (1.65) 2.46 (15.9) 1.45 (2.16) 0.006 (0.15) 0.004 (0.10)112 1.900 (48.3) 1.770 (45.0) 0.065 (1.65) 2.46 (15.9) 1.45 (2.16) 0.
26、006 (0.15) 0.004 (0.10)2 2.375 (60.3) 2.245 (57.0) 0.065 (1.65) 3.96 (25.5) 1.83 (2.72) 0.007 (0.18) 0.006 (0.15)2 2.375 (60.3) 2.245 (57.0) 0.065 (1.65) 3.96 (25.5) 1.83 (2.72) 0.007 (0.18) 0.006 (0.15)212 2.875 (73.0) 2.745 (69.7) 0.065 (1.65) 5.92 (38.2) 2.22 (3.30) 0.007 (0.18) 0.006 (0.15)212 2
27、.875 (73.0) 2.745 (69.7) 0.065 (1.65) 5.92 (38.2) 2.22 (3.30) 0.007 (0.18) 0.006 (0.15)3 3.500 (88.9) 3.334 (84.7) 0.083 (2.11) 8.73 (56.3) 3.45 (5.13) 0.008 (0.20) 0.007 (0.18)3 3.500 (88.9) 3.334 (84.7) 0.083 (2.11) 8.73 (56.3) 3.45 (5.13) 0.008 (0.20) 0.007 (0.18)312 4.000 (102) 3.810 (96.8) 0.09
28、5 (2.41) 11.4 (73.5) 4.52 (6.73) 0.008 (0.20) 0.007 (0.18)312 4.000 (102) 3.810 (96.8) 0.095 (2.41) 11.4 (73.5) 4.52 (6.73) 0.008 (0.20) 0.007 (0.18)4 4.500 (114) 4.286 (109) 0.107 (2.72) 14.4 (92.9) 5.72 (8.51) 0.010 (0.25) 0.009 (0.23)4 4.500 (114) 4.286 (109) 0.107 (2.72) 14.4 (92.9) 5.72 (8.51)
29、0.010 (0.25) 0.009 (0.23)5 5.562 (141) 5.298 (135) 0.132 (3.40) 22.0 (142) 8.73 (13.0) 0.012 (0.30) 0.010 (0.25)5 5.562 (141) 5.298 (135) 0.132 (3.40) 22.0 (142) 8.73 (13.0) 0.012 (0.30) 0.010 (0.25)6 6.625 (168) 6.309 (160) 0.158 (4.01) 31.3 (202) 12.4 (18.5) 0.014 (0.36) 0.010 (0.25)6 6.625 (168)
30、6.309 (160) 0.158 (4.01) 31.3 (202) 12.4 (18.5) 0.014 (0.36) 0.010 (0.25)8 8.625 (219) 8.215 (209) 0.205 (5.21) 53.0 (342) 21.0 (31.2) 0.018 (0.46) 0.014 (0.36)8 8.625 (219) 8.215 (209) 0.205 (5.21) 53.0 (342) 21.0 (31.2) 0.018 (0.46) 0.014 (0.36)10 10.750 (273) 10.238 (260) 0.256 (6.50) 82.3 (531)
31、32.7 (48.7) 0.018 (0.46) 0.016 (0.41)10 10.750 (273) 10.238 (260) 0.256 (6.50) 82.3 (531) 32.7 (48.7) 0.018 (0.46) 0.016 (0.41)12 12.750 (324) 12.124 (308) 0.313 (7.95) 115 (742) 47.4 (70.5) 0.018 (0.46) 0.020 (0.51)12 12.750 (324) 12.124 (308) 0.313 (7.95) 115 (742) 47.4 (70.5) 0.018 (0.46) 0.020 (
32、0.51)A The average outside diameter of a tube is the average of the maximum and minimum outside diameters, as determined at any one cross section of the tube.B302 1725.1.1 When specified in the contract or purchase order, that heat identification or traceability is required, the purchaser shallspeci
33、fy the details desired.NOTE 1Due to the discontinuous nature of the processing of castings into wrought products, it is not always practical to identify specific castinganalysis with a specific quantity of finished product.5.2 Manufacture:5.2.1 The pipe shall be manufactured by such hot extrusion or
34、 piercing and subsequent cold working as to produce a uniform,seamless wrought structure in the finished product.5.2.2 The product shall be cold worked to the finished size so as to meet the temper properties specified.6. Chemical Composition6.1 The material shall conform to the chemical composition
35、 requirements in Table 2 for the copper UNS No. designationspecified in the ordering information.6.2 These composition limits do not preclude the presence of other elements. By agreement between the manufacture andpurchaser, limits may be established and analysis required for unnamed elements.7. Tem
36、per7.1 The product shall be furnished in the H58 (drawn general purpose) temper as defined in Classification B601.8. Mechanical Property Requirements8.1 Tensile Strength Requirement:8.1.1 Product in all sizes and coppers shall have a minimum tensile strength of 36 ksi (250 MPa) when tested in accord
37、ancewith Test Methods E8E8/E8M.8.1.2 The tension test need not be performed except when specified by the purchaser in the ordering information at the time ofplacing of the order.8.2 Rockwell Hardness RequirementProduct in all sizes and coppers shall have a minimum Rockwell F hardness of 55 whenteste
38、d in accordance with Test Methods E18.9. Performance Requirements9.1 Microscopical ExaminationThe pipe shall be made from copper free from cuprous oxide, as determined by microscopicalexamination at a magnification of 75 diameters according to Test MethodAof Test Methods B577. When copper UNS No. C1
39、2200is supplied, microscopical examination for cuprous oxide is not required.10. Other Requirements Nondestructive Test Requirements10.1 Electromagnetic (Eddy-Current) Test:10.1.1 Each tube up to and including 212-in. nominal pipe size shall be subjected to an eddy-current test. Testing shall follow
40、the procedures of Practice E243 and 16.2.3.10.1.1.1 Hydrostatic Test AlternativeAs an alternative to the eddy-current test for tubes of diameters above 1.25 in. (32 mm),(32 mm), the manufacturer shall perform the hydrostatic test to the requirements of 10.2.10.1.1.2 The provisions for the determinat
41、ion of “end-effect” in Practice E243 shall not apply.10.1.2 The tested tubes, which do not actuate the signaling device of the testing unit, shall be considered as conforming to therequirements of the test.10.1.3 Either notch depth or drilled hole standards shall be used.10.1.3.1 Notch depth standar
42、ds shall be 10 % of the nominal wall thickness.10.1.3.2 The sizes of drilled hole standards shall be determined in accordance with Table X1.2 of Practice E243.10.2 Hydrostatic Test:10.2.1 When specified in the contract or purchase order, or as an alternative to the eddy-current test for tubes above
43、1.25 in.1.25 in. (32 mm) in diameter (see 10.1.1.2), each tube shall stand, without showing evidence of leakage, an internal hydrostaticpressure sufficient to produce a fiber stress of 6000 psi (41 MPa) (41 MPa) as determined by the following equation for thin hollowcylinders under tension:TABLE 2 C
44、hemical RequirementsCopper UNS No. Composition, %Copper (Incl Silver), min PhosphorusC10300 99.95A 0.001 to 0.005C12200 99.9 0.015 to 0.040A Copper + silver + phosphorus.B302 173P 52St/D 20.8t! (1)where:P = hydrostatic pressure, psi (MPa);t = wall thickness of the material, in. (mm);D = outside diam
45、eter of the material, in. (mm); andS = allowable stress of the material, psi (MPa).10.2.1.1 The tube need not be subjected to a pressure gage reading over 1000 psi (6.9 MPa) except when specified in thecontract or purchase order.10.3 Pneumatic TestWhen specified in the contract or purchase order, ea
46、ch tube shall be subjected to a minimum internal airpressure of 60 psig (415 kPa) for 5 s without showing evidence of leakage.11. Dimensions, Mass, and Permissible Variations11.1 GeneralThe standard method of specifying wall thickness shall be in decimal fractions of an inch. For the purpose ofdeter
47、mining conformance with the dimensional requirements prescribed in this specification, any measured value outside thespecified limiting values for any dimension shall be cause for rejection.11.2 Dimensions and WeightsDimensions and weights for the various nominal or standard sizes, together with tol
48、erances indiameter and wall thickness, shall be in accordance with Table 1.11.3 Wall Thickness and Diameter TolerancesWall thickness and diameter tolerances shall be in accordance with Table 1.11.4 Roundness ToleranceThe roundness tolerances shall be in accordance with Table 3.11.5 Length and Length
49、 ToleranceThe standard length of the material shall be 20 ft (6.10 m) except for the 12-in. (305-mm)size, which shall be 15 ft (4.57 m). The length tolerances shall be plus 1 in. (25 mm), minus 0.11.6 Squareness of CutThe departure from squareness of the end of any pipe shall not exceed the following:Outside Diameter,in. (mm) ToleranceUp to 58 (15.9) incl 0.010 in. (0.25 mm)Over 58 (15.9) 0.016 in./in. (0.016 mm/mm) of diameter12. Workmanship, Finish, and Appearance12.1 The product shall be free of defects, but blemishes of a nature that d
