1、Designation: B706 00 (Reapproved 2011)Standard Specification forSeamless Copper Alloy (UNS No. C69100) Pipe and Tube1This standard is issued under the fixed designation B706; 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. Scope*1.1 This specification establishes the requirements for cop-per alloy UNS No. C69100 seamless pipe in standard pipesi
3、zes, both regular and extra strong, and seamless tube instraight lengths for general engineering purposes.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not
4、 considered standard.1.3 The following safety hazard caveat pertains only to thetest method portion, Section described in this specification:This standard does not purport to address all of the safetyconcerns, if any, associated with its use. It is the responsibilityof the user of this standard to e
5、stablish appropriate safety andhealth practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension T
6、esting of Metallic MaterialsE20 Practice for Particle Size Analysis of Particulate Sub-stances in the Range of 0.2 to 75 Micrometres by OpticalMicroscopy3E54 Test Methods for ChemicalAnalysis of Special Brassesand Bronzes3E243 Practice for Electromagnetic (Eddy-Current) Exami-nation of Copper and Co
7、pper-Alloy TubesE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for ChemicalAnalysis of CopperAlloys3. Terminology3.1 Definitions:3.1.1 For definitions of terms related to copper and copperalloys, refer to Terminology B846, unless oth
8、erwise stated.3.1.2 stock, nstraight lengths that are mill cut and storedin advance of orders. They usually are 10, 12, or 20 ft (3.05,3.66, or 6.10 m) in length and subject to established lengthtolerances.4. Ordering Information4.1 Orders for products shall include the following informa-tion:4.1.1
9、ASTM designation and year of issue, that is,B706XX.4.1.2 UNS designation, that is, C69100.4.1.3 Temper (see Section 7).4.1.4 Dimensions, diameter, and wall thickness.4.1.5 How furnished: straight lengths or coils.4.1.6 Finish.4.1.7 Total length, or number of pieces, of each size.4.1.8 Total weight,
10、each size.4.1.9 When product is purchased for agencies of the U.S.government.4.2 The following options are available and shall be in-cluded in the contract or purchase order when required.4.2.1 Heat identification or traceability details.4.2.2 Electromagnetic (eddy-current) examination.4.2.3 Expansi
11、on test.4.2.4 Flattening test.4.2.5 Certification.4.2.6 Mill test report.5. Materials and Manufacture5.1 Material:5.1.1 The material of manufacture shall be cast or extrudedshells of Copper Alloy UNS No. C69100 of such purity andsoundness as to be suitable for processing into the productsprescribed
12、herein.5.1.2 In the event heat identification or traceability isrequired, the purchaser shall specify the details desired.NOTE 1Because of the discontinuous nature of the processing ofcastings into wrought products, it is not always practical to identify aspecific casting analysis with a specific qu
13、antity of finished material.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved Oct. 1, 2011. Published February 2012. Originallyapproved in 1982. Last previous
14、edition approved in 2006 as B706 00 (2006).DOI: 10.1520/B0706-00R11.2For 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 w
15、ebsite.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.1*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.5.2 Manufacture:5
16、.2.1 The product shall be manufactured by such hot-working, cold-working, and annealing processes as to producea uniform wrought structure in the finished product.5.2.2 The product shall be hot or cold worked to the finishedsize, and subsequently, annealed, when required, to meet thetemper propertie
17、s specified.6. Chemical Composition6.1 The material shall conform to the chemical compositionrequirements specified in Table 1.6.2 These composition limits do not preclude the presenceof other elements. Limits may be established and analysisrequired for unnamed elements by agreement between themanuf
18、acturer and purchaser.6.3 For Alloy UNS C69100 where zinc is listed as “remain-der,” zinc is the difference between the sum of results of allelements determined and 100 %. When all elements in Table 1are determined, the sum of results shall be 99.5 % minimum.7. Temper7.1 The tempers for products des
19、cribed in this specificationshall be in accordance with Table 2.7.1.1 TB00 (soft-annealed),7.1.2 TF00 (precipitation-hardened), and7.1.3 HR50 (drawn stress relieved).8. Physical Property Requirements8.1 Electrical Resistivity RequirementWhen specified inthe contract or purchase order, the product fu
20、rnished shall becapable of conforming to a specific resistant of 1.13 V/mm (+ 5 %) at 20C when tested in accordance with Test MethodB193.8.2 Coeffcient of Thermal ExpansionWhen specified inthe contract or purchase order, the product furnished shall becapable of conforming to a coefficient of linear
21、expansion of0.000 019 (or 19 3 106) per C, in the range 20 to 200Cwhen tested in accordance with an appropriate test method.9. Mechanical Property Requirements9.1 Tensile Strength Requirements:9.1.1 Product furnished under this specification shall con-form to the tensile requirements prescribed in T
22、able 2 whentested in accordance with Test Methods E8.9.1.2 Acceptance or rejection based upon mechanical prop-erties shall depend only on tensile strength.9.2 Rockwell HardnessThe approximate hardness valuefor alloy UNS C69100 lies within the range 69 to 76 RockwellB, being for general information a
23、nd assistance in testing, andshall not be used as a basis for product rejection.NOTE 2The Rockwell hardness test offers a quick and convenientmethod of checking for general conformity to the specification require-ments for temper, tensile strength and grain size.10. Other Requirements10.1 Nondestruc
24、tive Testing:10.1.1 Pipe or tube must be tested in the final heat-treatedcondition as supplied to the purchaser unless otherwise agreedupon between the manufacturer and purchaser. Unless other-wise specified, the manufacturer shall have the option oftesting the pipe or tube by one of the following t
25、ests:10.1.1.1 Eddy-Current TestEach tube or pipe in standardsizes18 in. (3.18 mm) up to and including 212 in. (63.5 mm)regular and extra strong, shall be subject to an eddy-current testfollowing the procedures of Practice E243 and using an endeffect suppression device. The pipe or tube shall be pass
26、edthrough the eddy-current testing unit to provide information onthe suitability of each piece for the intended application.10.1.1.2 Notch-depth standards, rounded to the nearest0.001 in. (0.025 mm), shall be 10 % of the nominal wallthickness. Notch-depth tolerances shall be 60.0005 in. (0.013mm). A
27、lternatively, when a manufacturer uses speed-insensitive equipment that can select a maximum unbalancesignal, such a signal of 0.3 % may be used.10.1.1.3 Pipes or tubes that do not activate the signalingdevice of the eddy-current tester shall be considered asconforming to the requirements of this te
28、st. Lengths withdiscontinuities indicated by the tester may, at the option of themanufacturer, be reexamined or retested to determine whetherthe discontinuity is cause for rejection. Signals that are foundto have been caused by minor mechanical damage, soil, ormoisture shall not be cause for rejecti
29、on provided the pipe ortube dimensions are still within the prescribed limits and thepipe or tube is suitable for its intended application.10.1.2 Hydrostatic TestEach length shall stand, withoutshowing evidence of leakage, an internal hydrostatic pressuresufficient to subject the material to a fiber
30、 stress of 7000 psi (48MPa) determined by the following equation for thin hollowcylinders under internal pressure. The pipe or tube need not betested at a hydrostatic pressure of over 1000 psi (6.9 MPa)unless so specified.P 5 2St/D 2 0.8t! (1)TABLE 1 Chemical RequirementsElementComposition, % Max (U
31、nless Shown asa Range or Minimum)Copper (incl. Ag) 81.084.0Lead 0.05Iron 0.25Zinc remainderAluminum 0.71.2Manganese 0.10 minSilicon 0.81.3Tin 0.10Nickel (incl. Co) 0.81.4TABLE 2 Tensile RequirementsTemper DesignationTB00(SoftAnnealed)TF00(Precipitation-Hardened)HR50(Drawn-StressRelieved)Tensile stre
32、ngth, min, ksiA(MPaB)55 (380) 60 (420) 79 (550)Yield strength at 0.5 %extension under load, ksi(MPa)A16.5 (115) 31 (214) 48 (335)Elongation in 2 in. or 50 mm,min, %50 40 10Aksi = 100 psi.BSee Appendix X1.B706 00 (2011)2where:P = hydrostatic pressure, psi (or MPa);t = thickness of pipe or tube wall,
33、in. (or mm);D = nominal outside diameter of the pipe or tube, in. (ormm); andS = allowable stress of the material, psi (or MPa).11. Dimensions, Mass, and Permissible Variations11.1 General:11.1.1 The standard method of specifying wall thicknessesshall be in decimal fractions of an inch.11.1.2 For th
34、e purpose of determining conformance with thedimensional requirements prescribed in this specification, anymeasure value outside the specified limiting values for anydimension may be cause for rejection.11.1.3 Tolerances on any given tube shall be specified withrespect to any two, but not all three,
35、 of the following: outsidediameter, inside diameter, and wall thickness.11.2 DimensionsNominal dimensions and nominalweights of standard pipe sizes shall be in accordance withTable 3.11.3 Wall Thickness TolerancesWall thickness tolerancesshall be in accordance with Table 4. Wall thickness tolerances
36、for tube shall be in accordance with Table 5.11.4 Diameter TolerancesDiameter tolerances for pipeshall be as follows:11.4.1 Nominal Pipe Size 112 in. (38 mm) and Under+0.016, 0.031 in. (+0.40, 0.79 mm).11.4.2 Nominal Pipe Size Over 112 in. (38 mm)61%ofspecified diameter.11.4.3 The dimensional limits
37、 of standard pipe sizes areshown in Table 4.11.4.4 Diameter tolerances of tube shall be in accordancewith Table 6.11.5 Length Tolerances:11.5.1 Length tolerances shall be in accordance with Table7.11.5.2 Schedule of Tube LengthsSpecific and stocklengths with ends shall be in accordance with Table 8.
38、11.6 Squareness of CutFor pipe and tube in straightlengths, the departure from squareness of the end of any pipeor tube shall not exceed the following:11.6.1 Pipe:Nominal Outside Diameter,in. (mm)ToleranceUp to58 in. (15.9 mm) incl 0.010 in. (0.25 mm)Over58 in. (15.9 mm) 0.016 in./in. (0.016 mm/mm)
39、of dia11.6.2 Tube:Specified Outside Diameter,in. (mm)ToleranceUp to58 in. (15.9 mm) incl. 0.010 in. (0.25 mm)Over58 in. (15.9 mm) 0.016 in./in. (0.016 mm/mm) ofdia11.7 The density of CopperAlloy UNS No. C69100 shall betaken to be 0.308 lb/in.3(8.53 g/cm3).12. Workmanship, Finish and Appearance12.1 T
40、he product shall be free of defects, but blemishes ofa nature that do not interfere with the intended application areacceptable.13. Sampling13.1 SamplingThe lot size, portion size, and selection ofsampling pieces shall be as follows:13.1.1 Lot SizeFor tube, the lot size shall be 10 000 lbs(4550 Kg),
41、 or fraction thereof. For pipe, the lot size shall be asfollows:TABLE 3 Dimensions and Weights of Copper Alloy Pipe, Standard Pipe SizesAStandard Pipe Size,in.Nominal Dimension, in. (mm)Cross-Sectional Areaof Bore, in.2(cm2)Nominal Weight, lb/ft(kg/m)Outside Diameter Inside Diameter Wall ThicknessRe
42、gular18 0.405 (10.3) 0.269 (6.83) 0.068 (1.73) 0.057 (0.367) 0.266 (0.395)14 0.540 (13.7) 0.364 (9.25) 0.088 (2.24) 0.104 (0.670) 0.462 (0.686)38 0.675 (17.1) 0.493 (12.5) 0.091 (2.31) 0.191 (1.23) 0.617 (0.917)12 0.840 (21.3) 0.622 (15.8) 0.109 (2.77) 0.304 (1.96) 0.925 (1.37)34 1.050 (26.7) 0.824
43、(20.9) 0.113 (2.87) 0.533 (3.44) 1.23 (1.83)1 1.315 (33.4) 1.049 (26.6) 0.133 (3.38) 0.864 (3.57) 1.83 (2.72)114 1.660 (42.2) 1.380 (35.1) 0.140 (3.56) 1.496 (9.66) 2.47 (3.68)112 1.900 (48.3) 1.610 (40.9) 0.145 (3.68) 2.036 (13.1) 2.95 (4.40)2 2.375 (60.3) 2.067 (52.5) 0.154 (3.91) 3.356 (21.7) 3.9
44、7 (5.91)212 2.875 (73.0) 2.469 (62.7) 0.203 (5.16) 4.788 (30.9) 6.30 (9.37)3 3.500 (88.9) 3.068 (77.9) 0.216 (5.49) 7.393 (47.7) 8.24 (12.3)Extra Strong18 0.405 (10.3) 0.215 (5.46) 0.095 (2.41) 0.036 (0.232) 0.342 (0.508)14 0.540 (13.7) 0.302 (7.67) 0.119 (3.02) 0.072 (0.464) 0.582 (0.865)38 0.675 (
45、17.1) 0.423 (10.7) 0.126 (3.20) 0.141 (0.909) 0.803 (1.19)12 0.840 (21.3) 0.546 (13.9) 0.147 (3.73) 0.234 (1.51) 1.183 (1.76)34 1.050 (26.7) 0.742 (18.8) 0.154 (3.91) 0.432 (2.79) 1.60 (2.39)1 1.315 (33.4) 0.957 (24.3) 0.179 (4.55) 0.719 (4.64) 2.36 (3.52)114 1.660 (42.2) 1.278 (32.5) 0.191 (4.85) 1
46、.283 (8.28) 3.26 (4.85)112 1.900 (48.3) 1.500 (38.1) 0.200 (5.08) 1.767 (11.4) 3.95 (5.88)2 2.375 (60.3) 1.939 (49.3) 0.218 (5.54) 2.953 (19.1) 5.46 (8.12)212 2.875 (73.0) 2.323 (59.0) 0.276 (7.01) 4.238 (27.3) 8.33 (12.4)3 3.500 (88.9) 2.900 (73.7) 0.300 (7.62) 6.605 (42.6) 11.1 (16.6)ACopper Alloy
47、 UNS No. C69100 is presently available only in standard pipe sizes up to 3 in.B706 00 (2011)3Standard Pipe Size, in. (mm) Lot Weight, lb (kg)Up to 4 in. (102 mm) incl. 10 000 lbs (4550 kg) or fractionthereofOver 4 in. (102 mm) 40 000 lbs (18 000 kg) or fractionthereof13.1.2 Portion SizeSample pieces
48、 shall be taken for testpurposes from each lot according to the following schedule:Number of Pieces in Lot Number of Sample Pieces to Be Taken1to50 151 to 200 2201 to 1500 3Over 1500 0.2 % of total number of pieces in lot13.2 Chemical Analysis:13.2.1 The sample for chemical analysis shall be taken i
49、naccordance with Practice E255 for product in its final formfrom the pieces selected in 13.1.2 and combined into onecomposite sample. The minimum weight of this compositesample shall be 150 g.13.2.2 Instead of sampling in accordance with PracticeE255, the manufacturer shall have the option of determiningconformance to chemical composition as follows: Confor-mance shall be determined by the manufacturer by analyzingsamples taken at the time the castings are poured or samplestaken from the semifinished product. When the manufac
