1、MIL-DTL-25995D 14 May 2007 SUPERSEDING MIL-DTL-25995C 22 November 2002 DETAIL SPECIFICATION PIPE, ALUMINUM ALLOY, DRAWN OR EXTRUDED This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers requirements for pipe
2、, aluminum alloy, drawn or extruded in the dimensions and weights specified, and a schedule of 5, 10, or 40 (standard), or 80 (extra heavy). 1.2. Part or Identifying Number (PIN). The PIN consists of the letter M, the basic specification number, a letter for type designator, a number for the temper
3、code, a number for the schedule size, and designator for the configuration, up to three numbers for the length in feet a dash, and the quantity as shown in the following example: M25995 X X X X XXXX PIN example: M25995A2CCC025 Comments, suggestions, or questions on this document should be addressed
4、toCenter, Columbus, Attn: VAI, P.O. Box 3990, Columbus, OH 43218-3990, oConstructiondscc.dla.mil. Since contact information can change you may want to verify ththis address information using the ASSIST Online database at http:/assist.dapsINCH-POUNDAMSC N/A Provided by IHSNot for ResaleNo reproductio
5、n or networking permitted without license from IHS-,-,-: Defense Supply r emailed to e currency of .dla.mil. Specification number Type (see 1.2.1.1)Temper code designator (see 1.2.2) Pipe size (1.2.3) Schedule size designator (see 1.2.4) Configuration and length in feet (see 1.2.5 and 1.2.6) FSC 471
6、0 MIL-DTL-25995D 1.2.1 Classification. 1.2.1.1 Type. The type designators are as follows: Type designator ApplicationA Structural pipe for non-pressure applications B Seamless pipe for pressure applications 1.2.2 Alloy/temper. The alloy/temper designator are as follows (see 3.4.1 or 3.4.2): Alloy/te
7、mper designator code Alloy/temper1 3003-H18 2 3003-H1123 6061-T6 4 6063-T61.2.3 Pipe size. The pipe size designators are as follows (see table I): Size designatorNominal pipe size inches fractionNominal pipe size inches decimal 1/ Nominal pipe size (mm) 2/ A 1/8 .125 3.18B 1/4 .250 6.35 C 3/8 .375 9
8、.53D 1/2 .500 12.70 E 3/4 .750 19.05F 1 1.00 25.40 G 1 1/4 1.25 31.75H 1 1/2 1.50 38.10 J 2 2.00 50.80K 2 1/2 2.50 63.50 L 3 3.00 76.203.50 88.90 4.00 101.605.00 127.00 6.00 152.408.00 203.20 10.00 254.00Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHSM 3
9、 1/2N 4 P 5Q 6 R 8S 10 T 12 12.00 304.80 1/ Dimensions are in inches. 2/ Metric equivalents are given for information only. 2 -,-,-MIL-DTL-25995D 1.2.4 Schedule. The schedule designators are as follows (see 3.4.2): 1.2.5 Configuration. The configuration designators are as follows: Schedule designato
10、r Schedule sizeA 5 B 10C 40D 80 Configuration designator ConfigurationC Coiled S Straight1.2.6 Length. Length are expressed in feet. Lengths less than 100 feet (30.5 m) have a zero as a prefix example: 050 specifies a 50 foot (15.25 m) length (see 6.4). 2. APPLICABLE DOCUMENTS 2.1 General. The docum
11、ents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this
12、list, document users are cautioned that they must meet all specified requirements documents cited in sections 3, 4, or 5, of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and hand
13、books form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein
14、. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN NATIONA ANSI H35.1 mper Designation Systems for Aluminum ANSI H35.2 Tolerances for Aluminum Mill Products (Copies of these documents are available online at http:/www.ansi.org or fro
15、m the American National Standard Institute, 25 West 43 Street, 4thFloor, New York, NY 10036.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L STANDARDS INSTITUTE (ANSI)- Alloy and Te- Dimensional 3 MIL-DTL-25995D 4 ASTM INTERNATIONAL ASTM B210 - Al
16、uminum and Aluminum-Alloy Drawn Seamless Tubes ASTM B221 - Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tube ASTM B241/B241M - Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube ASTM B429/B429M - Aluminum-Alloy Extruded Structural Pipe and Tube ASTM B483/B48
17、3M - Aluminum and Aluminum-Alloy Drawn Tubes for General Purpose Applications (Copies of these documents are available from http:/www.astm.org or ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) 2.4 Order of precedence. In the event of a conflict between t
18、he text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample sha
19、ll be subjected to first article inspection in accordance with 4.5. 3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational
20、 and maintenance requirements, and promotes economically advantageous life cycle cost. 3.3 Alloys, chemical composition, tempers, tensile strength, and heat treatment. Alloys, chemical composition, tempers, tensile strength, and heat treatment for type A and type B pipes shall as specified in 3.3.1
21、and 3.3.2. 3.3.1 Type A. Structural pipe for non-pressure applications shall be in accordance with one of the following alloys: ASTM B210 - 3003-H18, 6061-T6, 6063-T6 ASTM B221 - 3003-H112, 6061-T6, 6063-T6 ASTM B429/B429M - 6061-T6, 6063-T6 ASTM B483/B483M - 3003-H18, 3003-H112 3.3.2 Type B. Seamle
22、ss pipe for pressure applications shall be in accordance ASTM B241/B241M alloy 3003-H18, 3003-H112, 6061-T6, or 6063-T6. 3.4 Dimensions and configurations. 3.4.1 Straightness. Straightness shall be in accordance with ANSI H35.2. 3.4.2 Schedule (nominal dimensions). The schedule size shall be 5, 10 o
23、r 40 (standard) or 80 (extra heavy). See table I for outside diameter (OD), inside diameter (ID) dimensions, and wall thickness. 3.4.3 Weights. Weights shall be as specified in table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25995D 5
24、 3.4.4 Lengths. The lengths shall be as specified on the order with a tolerance of .5 inch (12.70 mm). 3.4.5 Allowable deviation from mean diameter. The allowable deviation from mean diameter of the pipe shall be in accordance with ANSI H35.2 3.4.6 Allowable deviation of diameter. Allowable deviatio
25、n of diameter shall be in accordance with ANSI H35.2 3.5 Performance. 3.5.1 Leak test. Each length of pipe, for pressure applications, shall be hydrostatically tested in accordance with ASTM B210. 3.6 Marking. Marking shall consist of the PIN, Manufacturers Commercial and Government Entity (CAGE), a
26、lloy, and lot date code. Marking shall be done every 3 feet (0.91 m) and shall be permanently and legibly marked on the pipe. The lot date code may be marked on a single place on the pipe. Alloy and temper designations shall be in accordance with ANSI H35.1. 3.7 Workmanship. The pipe shall be unifor
27、m in quality and temper. The exterior and interior surfaces shall be clean, smooth, and free from slivers, laminations, folds, grooves, cracks, and other defects within the limits consistent with best commercial practice. Discoloration due to thermal treatment is acceptable. Provided by IHSNot for R
28、esaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25995D 6 TABLE I. Nominal dimensions and weights of aluminum-alloy pipe. 1/ 2/ Outside diameter (inches) Inside diameter (inches) Wall thickness (inches) Weight per foot (lbs) Size designator Nominal pipe size fraction
29、 (inches) Schedule Nom Nom Nom Nom Max A 1/8 (.125) 40 80 .405 .405 .269 .215 .068 .095 .185 .109 .091 .117 B 1/4 (.25) 40 80 .540 .540 .364 .302 .088 .119 .147 .185 .159 .200 C 3/8 (.375) 40 80 .675 .675 .493 .423 .091 .126 .196 .256 .212 .276 D 1/2 (.500) 5 10 40 80 .840 .840 .840 .840 .710 .674 .
30、622 .546 .065 .083 .109 .147 .186 .232 .294 .376 .317 .406 E 3/4 (.750) 5 10 40 80 1.050 1.050 1.050 1.050 .920 .884 .824 .742 .065 .083 .113 .154 .237 .297 .391 .510 .422 .550 F 1 5 10 40 80 1.315 1.315 1.315 1.315 1.185 1.097 1.049 .957 .065 .109 .133 .179 .300 .486 .581 .751 .627 .811 G 1 1/4 (1.
31、25) 5 10 40 80 1.660 1.660 1.660 1.660 1.530 1.442 1.380 1.278 .065 .109 .140 .191 .383 .625 .786 1.037 .849 1.120 H 1 1/2 (1.5) 5 10 40 80 1.900 1.900 1.900 1.900 1.770 1.682 1.610 1.500 .065 .109 .145 .200 .441 .721 .940 1.256 1.015 1.356 J 2 5 10 40 80 2.375 2.375 2.375 2.375 2.245 2.157 2.067 1.
32、939 .065 .109 .154 .218 .555 .913 1.264 1.737 1.365 1.876 See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25995D 7 TABLE I. Nominal dimensions and weights of aluminum-alloy pipe - Continued. 1/ 2/ Outside diamet
33、er (inches) Inside diameter (inches) Wall thickness (inches) Weight per foot (Lbs) Size designator Nominal pipe size (inches) Schedule Nom Nom Nom Nom Max K 2.5 5 10 40 80 2.875 2.875 2.875 2.875 2.703 2.635 2.469 2.323 .083 .120 .203 .276 .856 1.221 2.004 2.650 2.164 2.862 L 3 5 10 40 80 3.500 3.50
34、0 3.500 3.500 3.334 3.260 3.068 2.900 .083 .120 .216 .300 1.048 1.498 2.621 3.547 2.830 3.830 M 3.5 5 10 40 80 4.000 4.000 4.000 4.000 3.834 3.760 3.548 3.364 .083 .120 .226 .318 1.201 1.720 3.151 4.326 3.403 4.672 N 4 5 10 40 80 4.500 4.500 4.500 4.500 4.334 4.260 4.026 3.826 .083 .120 .237 .337 1.
35、354 1.942 3.733 5.183 4.031 5.598 P 5 5 10 40 80 5.563 5.563 5.563 5.563 5.345 5.295 5.047 4.813 .109 .137 .258 .375 2.196 2.688 5.057 7.188 5.461 7.763 Q 6 5 10 40 80 6.625 6.625 6.625 6.625 6.407 6.357 6.065 5.761 .109 .134 .280 .432 2.624 3.213 3.564 9.884 7.089 10.67 R 8 5 10 40 80 8.625 8.625 8
36、.625 8.625 8.407 8.329 7.981 7.625 .109 .148 .322 .500 3.429 4.635 9.878 15.01 10.67 16.21 S 10 5 10 40 80 10.750 10.750 10.750 10.750 10.482 10.420 10.020 9.564 .134 .165 .365 .593 5.526 6.453 14.00 22.25 15.12 24.03 T 12 5 10 40 80 12.750 12.750 12.750 12.750 12.438 12.390 11.938 11.376 .156 .180
37、.406 .687 7.268 8.359 18.52 30.62 20.000 33.07 See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25995D 8 TABLE I. Nominal dimensions and weights of aluminum-alloy pipe - Continued. 1/ 2/ Outside diameter (mm) Ins
38、ide diameter (mm) Wall thickness (mm) Weight per 304.8 mm (g) Size designator Nominal pipe size fraction (mm) Schedule Nom Nom Nom Nom Max A 1/8 (3.18) 40 80 10.29 10.29 6.83 5.46 1.73 2.41 83.91 49.44 41.28 53.07 B 1/4 (6.35) 40 80 13.72 13.72 9.25 7.67 2.24 3.02 66.68 83.91 72.12 90.72 C 3/8 (9.53
39、) 40 80 17.15 17.15 12.52 10.74 2.31 3.20 88.90 116.12 96.16 125.19 D 1/2 (12.70) 5 10 40 80 21.34 21.34 21.34 21.34 18.03 17.12 15.80 13.87 1.65 2.11 2.77 3.73 84.37 105.23 133.36 170.55 143.79 184.16 E 3/4 (19.05) 5 10 40 80 26.67 26.67 26.67 26.67 23.37 22.45 20.93 18.85 1.65 2.11 2.87 3.91 107.5
40、0 134.72 177.35 235.41 191.42 249.48 F 1 (25.40) 5 10 40 80 33.40 33.40 33.40 33.40 30.10 27.86 26.64 24.31 1.65 2.77 3.38 4.55 136.08 220.45 263.54 340.65 284.40 367.86 G 1 1/4 (31.75) 5 10 40 80 42.16 42,16 42.16 42.16 38.86 36.63 35.05 32.46 1.65 2.77 3.56 4.85 173.73 283.50 356.52 470.38 385.10
41、508.02 H 1 1/2 (38.10) 5 10 40 80 48.26 48.26 48.26 48.26 44.96 42.72 40.89 38.10 1.63 2.77 3.68 5.08 200.03 327.041 426.38 569.71 460.40 615.07 J 2 (50.80) 5 10 40 80 60.33 60.33 60.33 60.33 57.02 54.79 52.50 49.25 1.65 2.77 3.91 5.54 251.74 414.13 573.34 787.89 619.15 850.94 See footnotes at end o
42、f table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-25995D 9 TABLE I. Nominal dimensions and weights of aluminum-alloy pipe - Continued. 1/ 2/Outside diameter (mm) Inside diameter (mm) Wall thickness (mm) Weight per 304.80 mm (g) Size de
43、signator Nominal pipe size fraction (mm) Schedule Nom Nom Nom Nom Max K 2 1/2 (63.50) 5 10 40 80 73.03 73.03 73.03 73.03 68.66 66.93 62.71 59.00 2.11 3.05 5.16 7.10 388.29 553.84 909.00 1206.10 981.57 1298.18 L 3 (76.20) 5 10 40 80 88.90 88.90 88.90 88.90 84.68 82.80 77.93 73.66 2.11 3.05 5.49 7.62
44、475.36 679.48 1188.87 1608.89 1283.67 1737.26 M 3 1/2 (88.90) 5 10 40 80 101.60 101.60 101.60 101.60 97.38 95.50 90.12 85.45 2.11 3.05 5.74 8.08 544.76 780.18 1429.27 1962.24 1543.58 2119.18 N 4 (101.60) 5 10 40 80 114.30 114.30 114.30 114.30 110.08 108.20 102.26 97.18 2.11 3.05 6.02 8.56 614.16 880
45、.88 1693.26 2350.97 1828.43 2539.21 P 5 (127.00) 5 10 40 80 141.30 141.30 141.30 141.30 84.96 134.49 128.19 122.25 2.77 4.48 6.55 9.53 996.09 1219.26 2293.82 3260.42 2477.07 3521.24 Q 6 (152.40) 5 10 40 80 168.28 168.28 168.28 168.28 162.74 161.47 154.05 146.33 2.77 3.40 7.11 10.97 1190.23 1457.39 1
46、457.39 4483.31 3215.52 4839.83 R 8 (203.20) 5 10 40 80 219.08 219.08 219.08 219.08 213.54 211.56 202.72 193.68 2.77 3.76 8.18 12.70 1555.37 2102.40 4480.59 6808.4 4839.83 7352.73 S 10 (254.00) 5 10 40 80 273.05 273.05 275.05 273.05 266.24 264.67 254.51 242.93 3.40 4.19 9.27 15.06 2506.55 2927.03 635
47、0.3 10092.4 6858.32 10899.82 T 12 (304.80) 5 10 40 80 323.85 323.85 323.85 323.85 315.72 314.71 303.23 288.95 3.96 4.57 10.31 17.45 3296.71 1523.62 8400.5 13889.0 9071.85 15000.3 1/ Dimensions are in inches. 2/ Metric equivalents are given for information only. Provided by IHSNot for ResaleNo reprod
48、uction or networking permitted without license from IHS-,-,-MIL-DTL-25995D 10 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.5). b. Conformance inspection (see 4.6). 4.2 Inspection conditions. First article inspection shall be performed at a laboratory acceptable to the procuring activity on sample units produced with equipment and procedures used in production 4.3 Testing and inspections. 4.4 Re
