1、Designation: B508 08B508 16Standard Specification forCopper Alloy Strip for Flexible Metal Hose1This standard is issued under the fixed designation B508; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A
2、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 U.S. Department of Defense.1. Scope*1.1 This specification establishes the requirements
3、for annealed copper-alloy strip for the manufacture of flexible metal hoseproduced from Copper Alloy UNS Nos. C41100 and C50500.1.1.1 The nominal compositions are as follows:Copper AlloyUNS No.Copper Zinc TinC41100 91.0 8.5 0.5C50500 98.7 . 1.31.2 The values stated in inch-pound units are to be rega
4、rded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard. Grain size is given in SI units.1.3 The following precautionary statement pertains only to the test method portion, Section 13, of this sp
5、ecification:Thisstandard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations priorto use.2. Referen
6、ced Documents2.1 ASTM Standards:2B601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE62 Test Methods for Chemical Analy
7、sis of Copper and Copper Alloys (Photometric Methods) (Withdrawn 2010)3E112 Test Methods for Determining Average Grain SizeE255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper Alloys3. Terminology3.1 Defini
8、tions:3.1.1 For definitions of terms related to copper and copper alloys, refer to Terminology B846.4. Ordering Information4.1 Orders Include the following choices when placing orders for product under this specification should include the followinginformation:specification, as applicable:4.1.1 ASTM
9、 designation and year of issue,4.1.2 Copper Alloy UNS No.designation (see Section 1 and Table 1),4.1.3 Temper (see 7.1 and Table 2),4.1.4 Quantity, number of pieces or total weight of each alloy and size, and1 This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Al
10、loys and is direct responsibility of Subcommittee B05.01 on Plate, Sheet,and Strip.Current edition approved April 1, 2008April 1, 2016. Published April 2008June 2016. Originally approved in 1969. Last previous edition approved in 20072008 asB508 07.B508 08. DOI: 10.1520/B0508-08.10.1520/B0508-16.2 F
11、or 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 standards Document Summary page on the ASTM website.3 The last approved version of this historical standard is refer
12、enced 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 not be technically possible to adequately depict all changes accurately, ASTM recommends that u
13、sers 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 end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Cons
14、hohocken, PA 19428-2959. United States14.1.5 DimensionsThickness and width; and length, if applicable (see 8.2 and 8.3).4.1.6 How furnishedCoils (inside and outside diameters), pounds per inch of width; stock or specific lengths, with or withoutends;4.1.7 PackingType of pallet, skid, or box: interle
15、aving, banding, maximum weight, and so forth;4.2 The following options are available and should be but may not be included unless specified at the time of placing of theorder,order when required:4.2.1 How furnishedCoils (inside and outside diameters), pounds per inch of width; stock or specific leng
16、ths, with or withoutends;Heat identification and traceability details;4.2.2 PackingType of pallet, skid, or box: interleaving, banding, maximum weight, and so forth; andCertification;4.2.3 Mill Test Report;4.2.4 Special surface condition requirements, if any (see 9.3).5. Materials and Manufacture5.1
17、 Material:5.1.1 The material of manufacture shall be cast bar, slab, cake, billet, or so forth of Copper Alloy UNS No. C41100 or C50500of such purity and soundness as to be suitable for processing in to into the products prescribed herein.5.1.2 In the event When specified in the contract or purchase
18、 order, that heat identification or traceability is required, thepurchaser shall specify the details desired.NOTE 1Because of 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 fini
19、shed material.TABLE 1 Chemical RequirementsElementComposition, %Copper Alloy UNS Nos.C41100 C50500Copper 89.092.0 RemainderCopper 89.092.0 remainderTin 0.300.7 1.01.7Phosphorus . 0.030.35Iron, max 0.05 0.10Lead, max 0.09 0.05Zinc remainder 0.30 maxB508 1625.2 Manufacture:5.2.1 The product shall be m
20、anufactured by such hot working, cold working, hot-working, cold-working, and annealingprocesses as to produce a uniform wrought structure in the finished product.5.2.2 The product shall be hothot- or cold worked cold-worked to the finished size and subsequently annealed, if required, tomeet the tem
21、per properties specified.5.2.3 EdgesSlit edges shall be furnished unless otherwise specified in the contract or purchase order.6. Chemical Composition6.1 The material shall conform to the chemical composition requirements prescribed in Table 1 for the alloy specified in theordering information.6.2 T
22、hese composition limits do not preclude the presence of other elements. Limits for unnamed elements By agreementbetween the manufacturer and purchaser, limits may be established and analysis required by agreement between the manufactureror supplier and purchaser.for unnamed elements.6.3 Zinc, when g
23、iven as the “remainder,” is the differences between the sum of the results for all elements analyzedFor alloysin which zinc is listed as “remainder,” either copper or zinc may be taken as the difference of all other elements determined and100 %.6.3.1 Copper may be taken as the difference between the
24、 sum of all elements analyzed and 100 % and, when so determined,the difference value shall conform to the requirements given in Table 1.6.4 When analyzed, the sum of results for all elements listed in Table 1 are determined, the sum of results for Copper AlloyUNS C41100 shall be 99.7 % minimum and 9
25、9.5 % minimum for Copper Alloy UNS C50500.7. Grain Size of Annealed Tempers7.1 The average grain size of each of two samples of annealed material, as determined on a longitudinal cross section, shall bewithin the limit prescribed of the four nominal grain sizes listed in Table 2 when tested in accor
26、dance with ASTM Standard TestMethod E112.7.2 In the case of thin-gage material 0.010 in. 0.25 mm(0.25 mm) and under, there shall exist no less than six grains per stockthickness, averaged for five locations one thickness apart.8. Dimensions, Mass, and Permissible Variations8.1 GeneralFor the purpose
27、 of determining conformance with the dimensional requirements prescribed in this specification,any measured value outside the specified limiting values for any dimension may be cause for rejection.8.2 ThicknessThe standard method of specifying thickness shall be in decimal fractions of an inch. For
28、material 0.021 in.0.533 mm 0.021 in. (0.533 mm) and under in thickness, it is recommended that the nominal thickness be stated not closer thanthe nearest 0.0005 in. 0.013 mm.(0.013 mm). For example, specify 0.006 or 0.0065 in. 0.152 0.0065 in. (0.152 or 0.165mm,mm), but not 0.0063 in. 0.160 mm.(0.16
29、0 mm). For material over 0.021 0.533 mm(0.533 mm) in thickness, it isrecommended that the nominal thickness be stated not closer than the nearest 0.001 in. 0.025 mm.(0.025 mm). For example,specify 0.128 or 0.129 in. 3.25(3.25 or 3.28 mmmm) but not 0.1285 in. 3.26 mm.(3.26 mm). A list of preferred th
30、ickness isshown in Appendix X1. The thickness tolerances shall be those shown in Table 3.8.3 WidthThe width tolerances shall be those shown in Table 4.8.4 StraightnessThe straightness tolerances shall be those shown in Table 5.9. Workmanship, Finish, and Appearance9.1 The product shall be uniform in
31、 quality and soundness and free of internal and external defects. However, surface blemishesthat do not interfere with the intended application are acceptable.9.2 The product shall be well cleaned and free of dirt.TABLE 2 Grain Size RequirementsTemps StandardDesignationAGrain Size, mmNominal Minimum
32、 MaximumOS050 0.050 0.035 0.090OS035 0.035 0.025 0.050OS025 0.025 0.015 0.035OS015 0.015 B 0.025A Standard designations defined in Classification B601.B Although no minimum grain size is required, this material must be fullyrecrystallized.B508 1639.3 Asuperficial film or residual light lubricant sha
33、ll be permissible, unless otherwise specified in the contract or purchase order.10. Sampling10.1 The lot size, portion size, and selection of pieces shall be as follows:10.1.1 Lot Size15 00010 000 lb, 6825 kg,(4550 kg), or less material of the same mill form, alloy, temper, and thickness,subject to
34、inspection at one time.10.1.2 Portion SizeA portion shall be four or more pieces selected as to be representative of each lot. If the lot consists ofless than four pieces, representative samples shall be taken from each piece.10.2 Chemical AnalysisA sample for chemical analysis shall be taken and pr
35、epared in accordance with Practice E255.TABLE 3 Thickness TolerancesThickness, in. mmThickness Tolerances, plus and minus,A in.Copper Alloy UNS No. C41100 Copper Alloy UNS No. C505008 in. and under inWidth in. mmOver 8 to 14 in., inclin Width in. mmOver 14 to 20 in., inclin Width in. mm8 in. and und
36、er inWidth in. mmOver 8 to 14 in., inclin Width in. mmOver 14 to 20 in., inclin Width in. mm0.004 0.102 and under 0.0003 0.008 0.0006 0.015 . 0.0004 0.010 0.0008 0.020 .Over 0.004 to 0.0060.102 to 0.152, incl0.0004 0.010 0.0008 0.020 0.0013 0.033 0.0006 0.015 0.0010 0.025 0.0015 0.038Over 0.006 to 0
37、.0090.152 to 0.229, incl0.0006 0.015 0.0010 0.035 0.0015 0.038 0.0008 0.020 0.0013 0.033 0.002 0.051Over 0.009 to 0.0130.229 to 0.330, incl0.0008 0.020 0.0013 0.033 0.0018 0.046 0.0010 0.025 0.0015 0.038 0.0025 0.064Over 0.013 to 0.0170.330 to 0.432, incl0.0010 0.028 0.0015 0.038 0.002 0.051 0.0013
38、0.033 0.002 0.051 0.0025 0.064Over 0.017 to 0.0210.432 to 0.533, incl0.0013 0.033 0.0018 0.046 0.002 0.051 0.0015 0.038 0.0025 0.064 0.003 0.076Over 0.021 to 0.0260.533 to 0.660, incl0.0015 0.038 0.002 0.051 0.0025 0.064 0.002 0.051 0.0025 0.064 0.003 0.076Over 0.026 to 0.0370.660 to 0.940, incl0.00
39、2 0.051 0.002 0.051 0.0025 0.064 0.0025 0.064 0.003 0.076 0.0035 0.089Over 0.037 to 0.0500.940 to 1.270, incl0.002 0.051 0.0025 0.064 0.003 0.076 0.003 0.076 0.0035 0.089 0.004 0.102Over 0.050 to 0.0731.270 to 1.854, incl0.0025 0.064 0.003 0.076 0.0035 0.084 0.0035 0.089 0.004 0.102 0.0045 0.114Over
40、 0.073 to 0.1301.854 to 3.302, incl0.003 0.076 0.0035 0.089 0.004 0.102 0.004 0.102 0.0045 0.114 0.005 0.127Over 0.130 to 0.1883.302 to 4.775, incl0.0035 0.089 0.004 0.102 0.0045 0.114 0.0045 0.114 0.005 0.127 0.006 0.152TABLE 3 Thickness TolerancesThickness, in. (mm)Thickness Tolerances, plus and m
41、inus,A in.Copper Alloy UNS No. C41100 Copper Alloy UNS No. C505008 in. and under inWidth in. (mm)Over 8 to 14 in., inclin Width in. (mm)Over 14 to 20 in., inclin Width in. (mm)8 in. and under inWidth in. (mm)Over 8 to 14 in., inclin Width in. (mm)Over 14 to 20 in., inclin Width in. (mm)0.004 (0.102)
42、 and under 0.0003 (0.008) 0.0006 (0.015) . 0.0004 (0.010) 0.0008 (0.020) .Over 0.004 to 0.006(0.102 to 0.152), incl0.0004 (0.010) 0.0008 (0.020) 0.0013 (0.033) 0.0006 (0.015) 0.0010 (0.025) 0.0015 (0.038)Over 0.006 to 0.009(0.152 to 0.229), incl0.0006 (0.015) 0.0010 (0.035) 0.0015 (0.038) 0.0008 (0.
43、020) 0.0013 (0.033) 0.002 (0.051)Over 0.009 to 0.013(0.229 to 0.330), incl0.0008 (0.020) 0.0013 (0.033) 0.0018 (0.046) 0.0010 (0.025) 0.0015 (0.038) 0.0025 (0.064)Over 0.013 to 0.017(0.330 to 0.432), incl0.0010 (0.028) 0.0015 (0.038) 0.002 (0.051) 0.0013 (0.033) 0.002 (0.051) 0.0025 (0.064)Over 0.01
44、7 to 0.021(0.432 to 0.533), incl0.0013 (0.033) 0.0018 (0.046) 0.002 (0.051) 0.0015 (0.038) 0.0025 (0.064) 0.003 (0.076)Over 0.021 to 0.026(0.533 to 0.660), incl0.0015 (0.038) 0.002 (0.051) 0.0025 (0.064) 0.002 (0.051) 0.0025 (0.064) 0.003 (0.076)Over 0.026 to 0.037(0.660 to 0.940), incl0.002 (0.051)
45、 0.002 (0.051) 0.0025 (0.064) 0.0025 (0.064) 0.003 (0.076) 0.0035 (0.089)Over 0.037 to 0.050(0.940 to 1.270), incl0.002 (0.051) 0.0025 (0.064) 0.003 (0.076) 0.003 (0.076) 0.0035 (0.089) 0.004 (0.102)Over 0.050 to 0.073(1.270 to 1.854), incl0.0025 (0.064) 0.003 (0.076) 0.0035 (0.084) 0.0035 (0.089) 0
46、.004 (0.102) 0.0045 (0.114)Over 0.073 to 0.130(1.854 to 3.302), incl0.003 (0.076) 0.0035 (0.089) 0.004 (0.102) 0.004 (0.102) 0.0045 (0.114) 0.005 (0.127)Over 0.130 to 0.188(3.302 to 4.775), incl0.0035 (0.089) 0.004 (0.102) 0.0045 (0.114) 0.0045 (0.114) 0.005 (0.127) 0.006 (0.152)A When tolerances ar
47、e specified as all plus or all minus, double the values given.B508 16410.2.1 Instead of sampling in accordance with Practice E255, the manufacturer shall have the option of determiningconformance to chemical composition as follows: Conformance shall be determined by the manufacturer by analyzing sam
48、plestaken at the time the castings are poured or samples taken from the semifinished product. If the manufacturer determined thechemical composition of the material during the course of manufacture, he shall not be required to sample and analyze the finishedproduct. The number of samples taken for d
49、etermination of chemical composition shall be as follows:10.2.1.1 When samples are taken at the time the castings are poured, at least one sample shall be taken for each group of castingspoured simultaneously from the same source of molten metal.10.2.1.2 When samples are taken from the semifinished product, a sample shall be taken to represent each 10 000 lb 4
